Home / 9,261.55-12,778.90-5,482.84

Finding the Fourth Proportional to 9,261.55, 12,778.90 and 5,482.84

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Solution

The fourth proportional to 9,261.55, 12,778.90 and 5,482.84 is: 7,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.55 : 12,778.90 = 5,482.84 : x
  2. Step 2: Convert to fraction form
    9,261.55/12,778.90 = 5,482.84/x
  3. Step 3: Cross multiply
    9,261.55x = 12,778.90 × 5,482.84
  4. Step 4: Simplify right side
    9,261.55x = 70,064,664.08
  5. Step 5: Solve for x
    x = 70,064,664.08/9,261.55
  6. Step 6: Final answer
    x = 7,565.11

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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.