Home / 9,279.36-13,909.32-3,731.40

Finding the Fourth Proportional to 9,279.36, 13,909.32 and 3,731.40

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Solution

The fourth proportional to 9,279.36, 13,909.32 and 3,731.40 is: 5,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.36 : 13,909.32 = 3,731.40 : x
  2. Step 2: Convert to fraction form
    9,279.36/13,909.32 = 3,731.40/x
  3. Step 3: Cross multiply
    9,279.36x = 13,909.32 × 3,731.40
  4. Step 4: Simplify right side
    9,279.36x = 51,901,236.65
  5. Step 5: Solve for x
    x = 51,901,236.65/9,279.36
  6. Step 6: Final answer
    x = 5,593.19

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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.