Home / 5,371.28-7,411.80-3,013.68

Finding the Fourth Proportional to 5,371.28, 7,411.80 and 3,013.68

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Solution

The fourth proportional to 5,371.28, 7,411.80 and 3,013.68 is: 4,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.28 : 7,411.80 = 3,013.68 : x
  2. Step 2: Convert to fraction form
    5,371.28/7,411.80 = 3,013.68/x
  3. Step 3: Cross multiply
    5,371.28x = 7,411.80 × 3,013.68
  4. Step 4: Simplify right side
    5,371.28x = 22,336,793.42
  5. Step 5: Solve for x
    x = 22,336,793.42/5,371.28
  6. Step 6: Final answer
    x = 4,158.56

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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.