Home / 9,114.42-13,671.65-2,540.79

Finding the Fourth Proportional to 9,114.42, 13,671.65 and 2,540.79

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Solution

The fourth proportional to 9,114.42, 13,671.65 and 2,540.79 is: 3,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.42 : 13,671.65 = 2,540.79 : x
  2. Step 2: Convert to fraction form
    9,114.42/13,671.65 = 2,540.79/x
  3. Step 3: Cross multiply
    9,114.42x = 13,671.65 × 2,540.79
  4. Step 4: Simplify right side
    9,114.42x = 34,736,778.90
  5. Step 5: Solve for x
    x = 34,736,778.90/9,114.42
  6. Step 6: Final answer
    x = 3,811.19

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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.