Home / 8,123.03-12,177.42-3,904.17

Finding the Fourth Proportional to 8,123.03, 12,177.42 and 3,904.17

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Solution

The fourth proportional to 8,123.03, 12,177.42 and 3,904.17 is: 5,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.03 : 12,177.42 = 3,904.17 : x
  2. Step 2: Convert to fraction form
    8,123.03/12,177.42 = 3,904.17/x
  3. Step 3: Cross multiply
    8,123.03x = 12,177.42 × 3,904.17
  4. Step 4: Simplify right side
    8,123.03x = 47,542,748.87
  5. Step 5: Solve for x
    x = 47,542,748.87/8,123.03
  6. Step 6: Final answer
    x = 5,852.84

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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.