Home / 7,387.43-11,068.83-5,304.31

Finding the Fourth Proportional to 7,387.43, 11,068.83 and 5,304.31

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Solution

The fourth proportional to 7,387.43, 11,068.83 and 5,304.31 is: 7,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.43 : 11,068.83 = 5,304.31 : x
  2. Step 2: Convert to fraction form
    7,387.43/11,068.83 = 5,304.31/x
  3. Step 3: Cross multiply
    7,387.43x = 11,068.83 × 5,304.31
  4. Step 4: Simplify right side
    7,387.43x = 58,712,505.66
  5. Step 5: Solve for x
    x = 58,712,505.66/7,387.43
  6. Step 6: Final answer
    x = 7,947.62

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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.