Home / 7,649.13-11,471.49-2,102.66

Finding the Fourth Proportional to 7,649.13, 11,471.49 and 2,102.66

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Solution

The fourth proportional to 7,649.13, 11,471.49 and 2,102.66 is: 3,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.13 : 11,471.49 = 2,102.66 : x
  2. Step 2: Convert to fraction form
    7,649.13/11,471.49 = 2,102.66/x
  3. Step 3: Cross multiply
    7,649.13x = 11,471.49 × 2,102.66
  4. Step 4: Simplify right side
    7,649.13x = 24,120,643.16
  5. Step 5: Solve for x
    x = 24,120,643.16/7,649.13
  6. Step 6: Final answer
    x = 3,153.38

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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.