Home / 4,906.10-7,359.15-1,982.90

Finding the Fourth Proportional to 4,906.10, 7,359.15 and 1,982.90

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Solution

The fourth proportional to 4,906.10, 7,359.15 and 1,982.90 is: 2,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.10 : 7,359.15 = 1,982.90 : x
  2. Step 2: Convert to fraction form
    4,906.10/7,359.15 = 1,982.90/x
  3. Step 3: Cross multiply
    4,906.10x = 7,359.15 × 1,982.90
  4. Step 4: Simplify right side
    4,906.10x = 14,592,458.54
  5. Step 5: Solve for x
    x = 14,592,458.54/4,906.10
  6. Step 6: Final answer
    x = 2,974.35

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Similar ratio
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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.