Home / 5,446.36-7,505.76-3,871.72

Finding the Fourth Proportional to 5,446.36, 7,505.76 and 3,871.72

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Solution

The fourth proportional to 5,446.36, 7,505.76 and 3,871.72 is: 5,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.36 : 7,505.76 = 3,871.72 : x
  2. Step 2: Convert to fraction form
    5,446.36/7,505.76 = 3,871.72/x
  3. Step 3: Cross multiply
    5,446.36x = 7,505.76 × 3,871.72
  4. Step 4: Simplify right side
    5,446.36x = 29,060,201.11
  5. Step 5: Solve for x
    x = 29,060,201.11/5,446.36
  6. Step 6: Final answer
    x = 5,335.71

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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.