Home / 4,395.92-6,060.05-3,134.78

Finding the Fourth Proportional to 4,395.92, 6,060.05 and 3,134.78

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Solution

The fourth proportional to 4,395.92, 6,060.05 and 3,134.78 is: 4,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.92 : 6,060.05 = 3,134.78 : x
  2. Step 2: Convert to fraction form
    4,395.92/6,060.05 = 3,134.78/x
  3. Step 3: Cross multiply
    4,395.92x = 6,060.05 × 3,134.78
  4. Step 4: Simplify right side
    4,395.92x = 18,996,877.56
  5. Step 5: Solve for x
    x = 18,996,877.56/4,395.92
  6. Step 6: Final answer
    x = 4,321.48

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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.