Home / 8,123.49-12,177.95-3,737.34

Finding the Fourth Proportional to 8,123.49, 12,177.95 and 3,737.34

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Solution

The fourth proportional to 8,123.49, 12,177.95 and 3,737.34 is: 5,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.49 : 12,177.95 = 3,737.34 : x
  2. Step 2: Convert to fraction form
    8,123.49/12,177.95 = 3,737.34/x
  3. Step 3: Cross multiply
    8,123.49x = 12,177.95 × 3,737.34
  4. Step 4: Simplify right side
    8,123.49x = 45,513,120.97
  5. Step 5: Solve for x
    x = 45,513,120.97/8,123.49
  6. Step 6: Final answer
    x = 5,602.66

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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.