Home / 8,915.17-13,374.98-2,675.30

Finding the Fourth Proportional to 8,915.17, 13,374.98 and 2,675.30

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Solution

The fourth proportional to 8,915.17, 13,374.98 and 2,675.30 is: 4,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.17 : 13,374.98 = 2,675.30 : x
  2. Step 2: Convert to fraction form
    8,915.17/13,374.98 = 2,675.30/x
  3. Step 3: Cross multiply
    8,915.17x = 13,374.98 × 2,675.30
  4. Step 4: Simplify right side
    8,915.17x = 35,782,006.25
  5. Step 5: Solve for x
    x = 35,782,006.25/8,915.17
  6. Step 6: Final answer
    x = 4,013.61

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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.