Home / 8,917.26-12,304.13-5,731.13

Finding the Fourth Proportional to 8,917.26, 12,304.13 and 5,731.13

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Solution

The fourth proportional to 8,917.26, 12,304.13 and 5,731.13 is: 7,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.26 : 12,304.13 = 5,731.13 : x
  2. Step 2: Convert to fraction form
    8,917.26/12,304.13 = 5,731.13/x
  3. Step 3: Cross multiply
    8,917.26x = 12,304.13 × 5,731.13
  4. Step 4: Simplify right side
    8,917.26x = 70,516,478.39
  5. Step 5: Solve for x
    x = 70,516,478.39/8,917.26
  6. Step 6: Final answer
    x = 7,907.86

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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.