Home / 6,635.22-9,156.87-3,981.66

Finding the Fourth Proportional to 6,635.22, 9,156.87 and 3,981.66

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Solution

The fourth proportional to 6,635.22, 9,156.87 and 3,981.66 is: 5,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.22 : 9,156.87 = 3,981.66 : x
  2. Step 2: Convert to fraction form
    6,635.22/9,156.87 = 3,981.66/x
  3. Step 3: Cross multiply
    6,635.22x = 9,156.87 × 3,981.66
  4. Step 4: Simplify right side
    6,635.22x = 36,459,543.00
  5. Step 5: Solve for x
    x = 36,459,543.00/6,635.22
  6. Step 6: Final answer
    x = 5,494.85

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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.