Home / 5,087.10-7,630.65-4,251.90

Finding the Fourth Proportional to 5,087.10, 7,630.65 and 4,251.90

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Solution

The fourth proportional to 5,087.10, 7,630.65 and 4,251.90 is: 6,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.10 : 7,630.65 = 4,251.90 : x
  2. Step 2: Convert to fraction form
    5,087.10/7,630.65 = 4,251.90/x
  3. Step 3: Cross multiply
    5,087.10x = 7,630.65 × 4,251.90
  4. Step 4: Simplify right side
    5,087.10x = 32,444,760.74
  5. Step 5: Solve for x
    x = 32,444,760.74/5,087.10
  6. Step 6: Final answer
    x = 6,377.85

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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.