Home / 5,162.28-7,737.08-2,385.20

Finding the Fourth Proportional to 5,162.28, 7,737.08 and 2,385.20

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Solution

The fourth proportional to 5,162.28, 7,737.08 and 2,385.20 is: 3,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.28 : 7,737.08 = 2,385.20 : x
  2. Step 2: Convert to fraction form
    5,162.28/7,737.08 = 2,385.20/x
  3. Step 3: Cross multiply
    5,162.28x = 7,737.08 × 2,385.20
  4. Step 4: Simplify right side
    5,162.28x = 18,454,432.60
  5. Step 5: Solve for x
    x = 18,454,432.60/5,162.28
  6. Step 6: Final answer
    x = 3,574.86

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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.