Home / 8,545.40-12,817.19-2,998.92

Finding the Fourth Proportional to 8,545.40, 12,817.19 and 2,998.92

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Solution

The fourth proportional to 8,545.40, 12,817.19 and 2,998.92 is: 4,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.40 : 12,817.19 = 2,998.92 : x
  2. Step 2: Convert to fraction form
    8,545.40/12,817.19 = 2,998.92/x
  3. Step 3: Cross multiply
    8,545.40x = 12,817.19 × 2,998.92
  4. Step 4: Simplify right side
    8,545.40x = 38,437,766.13
  5. Step 5: Solve for x
    x = 38,437,766.13/8,545.40
  6. Step 6: Final answer
    x = 4,498.07

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1.5x scale

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.