Home / 7,486.42-11,229.49-3,103.87

Finding the Fourth Proportional to 7,486.42, 11,229.49 and 3,103.87

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Solution

The fourth proportional to 7,486.42, 11,229.49 and 3,103.87 is: 4,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.42 : 11,229.49 = 3,103.87 : x
  2. Step 2: Convert to fraction form
    7,486.42/11,229.49 = 3,103.87/x
  3. Step 3: Cross multiply
    7,486.42x = 11,229.49 × 3,103.87
  4. Step 4: Simplify right side
    7,486.42x = 34,854,877.13
  5. Step 5: Solve for x
    x = 34,854,877.13/7,486.42
  6. Step 6: Final answer
    x = 4,655.75

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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.