Home / 4,287.28-5,920.32-3,237.52

Finding the Fourth Proportional to 4,287.28, 5,920.32 and 3,237.52

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Solution

The fourth proportional to 4,287.28, 5,920.32 and 3,237.52 is: 4,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.28 : 5,920.32 = 3,237.52 : x
  2. Step 2: Convert to fraction form
    4,287.28/5,920.32 = 3,237.52/x
  3. Step 3: Cross multiply
    4,287.28x = 5,920.32 × 3,237.52
  4. Step 4: Simplify right side
    4,287.28x = 19,167,154.41
  5. Step 5: Solve for x
    x = 19,167,154.41/4,287.28
  6. Step 6: Final answer
    x = 4,470.70

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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.