Home / 5,086.20-7,631.10-4,906.20

Finding the Fourth Proportional to 5,086.20, 7,631.10 and 4,906.20

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Solution

The fourth proportional to 5,086.20, 7,631.10 and 4,906.20 is: 7,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.20 : 7,631.10 = 4,906.20 : x
  2. Step 2: Convert to fraction form
    5,086.20/7,631.10 = 4,906.20/x
  3. Step 3: Cross multiply
    5,086.20x = 7,631.10 × 4,906.20
  4. Step 4: Simplify right side
    5,086.20x = 37,439,702.82
  5. Step 5: Solve for x
    x = 37,439,702.82/5,086.20
  6. Step 6: Final answer
    x = 7,361.04

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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.