Home / 7,348.28-10,139.45-4,514.75

Finding the Fourth Proportional to 7,348.28, 10,139.45 and 4,514.75

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Solution

The fourth proportional to 7,348.28, 10,139.45 and 4,514.75 is: 6,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.28 : 10,139.45 = 4,514.75 : x
  2. Step 2: Convert to fraction form
    7,348.28/10,139.45 = 4,514.75/x
  3. Step 3: Cross multiply
    7,348.28x = 10,139.45 × 4,514.75
  4. Step 4: Simplify right side
    7,348.28x = 45,777,008.62
  5. Step 5: Solve for x
    x = 45,777,008.62/7,348.28
  6. Step 6: Final answer
    x = 6,229.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.