Home / 8,620.85-11,898.06-5,265.61

Finding the Fourth Proportional to 8,620.85, 11,898.06 and 5,265.61

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Solution

The fourth proportional to 8,620.85, 11,898.06 and 5,265.61 is: 7,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.85 : 11,898.06 = 5,265.61 : x
  2. Step 2: Convert to fraction form
    8,620.85/11,898.06 = 5,265.61/x
  3. Step 3: Cross multiply
    8,620.85x = 11,898.06 × 5,265.61
  4. Step 4: Simplify right side
    8,620.85x = 62,650,543.72
  5. Step 5: Solve for x
    x = 62,650,543.72/8,620.85
  6. Step 6: Final answer
    x = 7,267.33

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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.