Home / 7,248.30-10,872.45-3,959.70

Finding the Fourth Proportional to 7,248.30, 10,872.45 and 3,959.70

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Solution

The fourth proportional to 7,248.30, 10,872.45 and 3,959.70 is: 5,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.30 : 10,872.45 = 3,959.70 : x
  2. Step 2: Convert to fraction form
    7,248.30/10,872.45 = 3,959.70/x
  3. Step 3: Cross multiply
    7,248.30x = 10,872.45 × 3,959.70
  4. Step 4: Simplify right side
    7,248.30x = 43,051,640.27
  5. Step 5: Solve for x
    x = 43,051,640.27/7,248.30
  6. Step 6: Final answer
    x = 5,939.55

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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.