Home / 4,152.68-6,229.14-1,555.12

Finding the Fourth Proportional to 4,152.68, 6,229.14 and 1,555.12

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Solution

The fourth proportional to 4,152.68, 6,229.14 and 1,555.12 is: 2,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.68 : 6,229.14 = 1,555.12 : x
  2. Step 2: Convert to fraction form
    4,152.68/6,229.14 = 1,555.12/x
  3. Step 3: Cross multiply
    4,152.68x = 6,229.14 × 1,555.12
  4. Step 4: Simplify right side
    4,152.68x = 9,687,060.20
  5. Step 5: Solve for x
    x = 9,687,060.20/4,152.68
  6. Step 6: Final answer
    x = 2,332.72

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Double scale
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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.