Home / 8,545.14-12,819.60-2,701.80

Finding the Fourth Proportional to 8,545.14, 12,819.60 and 2,701.80

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Solution

The fourth proportional to 8,545.14, 12,819.60 and 2,701.80 is: 4,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.14 : 12,819.60 = 2,701.80 : x
  2. Step 2: Convert to fraction form
    8,545.14/12,819.60 = 2,701.80/x
  3. Step 3: Cross multiply
    8,545.14x = 12,819.60 × 2,701.80
  4. Step 4: Simplify right side
    8,545.14x = 34,635,995.28
  5. Step 5: Solve for x
    x = 34,635,995.28/8,545.14
  6. Step 6: Final answer
    x = 4,053.30

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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.