Home / 8,418.85-11,618.01-5,063.61

Finding the Fourth Proportional to 8,418.85, 11,618.01 and 5,063.61

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Solution

The fourth proportional to 8,418.85, 11,618.01 and 5,063.61 is: 6,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.85 : 11,618.01 = 5,063.61 : x
  2. Step 2: Convert to fraction form
    8,418.85/11,618.01 = 5,063.61/x
  3. Step 3: Cross multiply
    8,418.85x = 11,618.01 × 5,063.61
  4. Step 4: Simplify right side
    8,418.85x = 58,829,002.92
  5. Step 5: Solve for x
    x = 58,829,002.92/8,418.85
  6. Step 6: Final answer
    x = 6,987.77

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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.