Home / 8,981.73-12,395.10-5,204.91

Finding the Fourth Proportional to 8,981.73, 12,395.10 and 5,204.91

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Solution

The fourth proportional to 8,981.73, 12,395.10 and 5,204.91 is: 7,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.73 : 12,395.10 = 5,204.91 : x
  2. Step 2: Convert to fraction form
    8,981.73/12,395.10 = 5,204.91/x
  3. Step 3: Cross multiply
    8,981.73x = 12,395.10 × 5,204.91
  4. Step 4: Simplify right side
    8,981.73x = 64,515,317.97
  5. Step 5: Solve for x
    x = 64,515,317.97/8,981.73
  6. Step 6: Final answer
    x = 7,182.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.