Home / 5,414.31-7,472.39-3,176.15

Finding the Fourth Proportional to 5,414.31, 7,472.39 and 3,176.15

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Solution

The fourth proportional to 5,414.31, 7,472.39 and 3,176.15 is: 4,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.31 : 7,472.39 = 3,176.15 : x
  2. Step 2: Convert to fraction form
    5,414.31/7,472.39 = 3,176.15/x
  3. Step 3: Cross multiply
    5,414.31x = 7,472.39 × 3,176.15
  4. Step 4: Simplify right side
    5,414.31x = 23,733,378.26
  5. Step 5: Solve for x
    x = 23,733,378.26/5,414.31
  6. Step 6: Final answer
    x = 4,383.45

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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.