Home / 5,387.04-7,431.48-3,287.52

Finding the Fourth Proportional to 5,387.04, 7,431.48 and 3,287.52

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Solution

The fourth proportional to 5,387.04, 7,431.48 and 3,287.52 is: 4,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.04 : 7,431.48 = 3,287.52 : x
  2. Step 2: Convert to fraction form
    5,387.04/7,431.48 = 3,287.52/x
  3. Step 3: Cross multiply
    5,387.04x = 7,431.48 × 3,287.52
  4. Step 4: Simplify right side
    5,387.04x = 24,431,139.13
  5. Step 5: Solve for x
    x = 24,431,139.13/5,387.04
  6. Step 6: Final answer
    x = 4,535.17

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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.