Home / 8,500.83-12,753.05-2,657.88

Finding the Fourth Proportional to 8,500.83, 12,753.05 and 2,657.88

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Solution

The fourth proportional to 8,500.83, 12,753.05 and 2,657.88 is: 3,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.83 : 12,753.05 = 2,657.88 : x
  2. Step 2: Convert to fraction form
    8,500.83/12,753.05 = 2,657.88/x
  3. Step 3: Cross multiply
    8,500.83x = 12,753.05 × 2,657.88
  4. Step 4: Simplify right side
    8,500.83x = 33,896,063.24
  5. Step 5: Solve for x
    x = 33,896,063.24/8,500.83
  6. Step 6: Final answer
    x = 3,987.38

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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.