Home / 4,949.30-7,423.25-1,251.30

Finding the Fourth Proportional to 4,949.30, 7,423.25 and 1,251.30

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Solution

The fourth proportional to 4,949.30, 7,423.25 and 1,251.30 is: 1,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.30 : 7,423.25 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    4,949.30/7,423.25 = 1,251.30/x
  3. Step 3: Cross multiply
    4,949.30x = 7,423.25 × 1,251.30
  4. Step 4: Simplify right side
    4,949.30x = 9,288,712.73
  5. Step 5: Solve for x
    x = 9,288,712.73/4,949.30
  6. Step 6: Final answer
    x = 1,876.77

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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.