Home / 4,379.85-6,569.06-1,259.14

Finding the Fourth Proportional to 4,379.85, 6,569.06 and 1,259.14

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Solution

The fourth proportional to 4,379.85, 6,569.06 and 1,259.14 is: 1,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.85 : 6,569.06 = 1,259.14 : x
  2. Step 2: Convert to fraction form
    4,379.85/6,569.06 = 1,259.14/x
  3. Step 3: Cross multiply
    4,379.85x = 6,569.06 × 1,259.14
  4. Step 4: Simplify right side
    4,379.85x = 8,271,366.21
  5. Step 5: Solve for x
    x = 8,271,366.21/4,379.85
  6. Step 6: Final answer
    x = 1,888.50

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Half scale
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Double scale
Find fourth proportional to 4,380.85, 6,570.56 and 1,260.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.