Home / 8,522.70-11,761.50-4,987.95

Finding the Fourth Proportional to 8,522.70, 11,761.50 and 4,987.95

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Solution

The fourth proportional to 8,522.70, 11,761.50 and 4,987.95 is: 6,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.70 : 11,761.50 = 4,987.95 : x
  2. Step 2: Convert to fraction form
    8,522.70/11,761.50 = 4,987.95/x
  3. Step 3: Cross multiply
    8,522.70x = 11,761.50 × 4,987.95
  4. Step 4: Simplify right side
    8,522.70x = 58,665,773.93
  5. Step 5: Solve for x
    x = 58,665,773.93/8,522.70
  6. Step 6: Final answer
    x = 6,883.47

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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.