Home / 7,649.91-11,474.19-2,103.08

Finding the Fourth Proportional to 7,649.91, 11,474.19 and 2,103.08

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Solution

The fourth proportional to 7,649.91, 11,474.19 and 2,103.08 is: 3,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.91 : 11,474.19 = 2,103.08 : x
  2. Step 2: Convert to fraction form
    7,649.91/11,474.19 = 2,103.08/x
  3. Step 3: Cross multiply
    7,649.91x = 11,474.19 × 2,103.08
  4. Step 4: Simplify right side
    7,649.91x = 24,131,082.13
  5. Step 5: Solve for x
    x = 24,131,082.13/7,649.91
  6. Step 6: Final answer
    x = 3,154.43

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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.