Home / 9,149.11-13,722.45-2,575.86

Finding the Fourth Proportional to 9,149.11, 13,722.45 and 2,575.86

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Solution

The fourth proportional to 9,149.11, 13,722.45 and 2,575.86 is: 3,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.11 : 13,722.45 = 2,575.86 : x
  2. Step 2: Convert to fraction form
    9,149.11/13,722.45 = 2,575.86/x
  3. Step 3: Cross multiply
    9,149.11x = 13,722.45 × 2,575.86
  4. Step 4: Simplify right side
    9,149.11x = 35,347,110.06
  5. Step 5: Solve for x
    x = 35,347,110.06/9,149.11
  6. Step 6: Final answer
    x = 3,863.45

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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.