Home / 8,363.47-12,545.21-2,816.35

Finding the Fourth Proportional to 8,363.47, 12,545.21 and 2,816.35

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Solution

The fourth proportional to 8,363.47, 12,545.21 and 2,816.35 is: 4,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.47 : 12,545.21 = 2,816.35 : x
  2. Step 2: Convert to fraction form
    8,363.47/12,545.21 = 2,816.35/x
  3. Step 3: Cross multiply
    8,363.47x = 12,545.21 × 2,816.35
  4. Step 4: Simplify right side
    8,363.47x = 35,331,639.52
  5. Step 5: Solve for x
    x = 35,331,639.52/8,363.47
  6. Step 6: Final answer
    x = 4,224.52

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Double scale
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Similar ratio
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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.