Home / 9,130.04-12,607.14-5,778.77

Finding the Fourth Proportional to 9,130.04, 12,607.14 and 5,778.77

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Solution

The fourth proportional to 9,130.04, 12,607.14 and 5,778.77 is: 7,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.04 : 12,607.14 = 5,778.77 : x
  2. Step 2: Convert to fraction form
    9,130.04/12,607.14 = 5,778.77/x
  3. Step 3: Cross multiply
    9,130.04x = 12,607.14 × 5,778.77
  4. Step 4: Simplify right side
    9,130.04x = 72,853,670.49
  5. Step 5: Solve for x
    x = 72,853,670.49/9,130.04
  6. Step 6: Final answer
    x = 7,979.56

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Find fourth proportional to 4,565.02, 6,303.57 and 2,889.38
Half scale
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Double scale
Find fourth proportional to 9,131.04, 12,608.52 and 5,779.77
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.