Home / 8,545.68-12,814.08-3,863.45

Finding the Fourth Proportional to 8,545.68, 12,814.08 and 3,863.45

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Solution

The fourth proportional to 8,545.68, 12,814.08 and 3,863.45 is: 5,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.68 : 12,814.08 = 3,863.45 : x
  2. Step 2: Convert to fraction form
    8,545.68/12,814.08 = 3,863.45/x
  3. Step 3: Cross multiply
    8,545.68x = 12,814.08 × 3,863.45
  4. Step 4: Simplify right side
    8,545.68x = 49,506,619.92
  5. Step 5: Solve for x
    x = 49,506,619.92/8,545.68
  6. Step 6: Final answer
    x = 5,793.17

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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.