Home / 8,930.07-13,397.72-3,998.61

Finding the Fourth Proportional to 8,930.07, 13,397.72 and 3,998.61

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Solution

The fourth proportional to 8,930.07, 13,397.72 and 3,998.61 is: 5,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.07 : 13,397.72 = 3,998.61 : x
  2. Step 2: Convert to fraction form
    8,930.07/13,397.72 = 3,998.61/x
  3. Step 3: Cross multiply
    8,930.07x = 13,397.72 × 3,998.61
  4. Step 4: Simplify right side
    8,930.07x = 53,572,237.18
  5. Step 5: Solve for x
    x = 53,572,237.18/8,930.07
  6. Step 6: Final answer
    x = 5,999.08

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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.