Home / 8,344.53-12,515.85-2,499.75

Finding the Fourth Proportional to 8,344.53, 12,515.85 and 2,499.75

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Solution

The fourth proportional to 8,344.53, 12,515.85 and 2,499.75 is: 3,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.53 : 12,515.85 = 2,499.75 : x
  2. Step 2: Convert to fraction form
    8,344.53/12,515.85 = 2,499.75/x
  3. Step 3: Cross multiply
    8,344.53x = 12,515.85 × 2,499.75
  4. Step 4: Simplify right side
    8,344.53x = 31,286,496.04
  5. Step 5: Solve for x
    x = 31,286,496.04/8,344.53
  6. Step 6: Final answer
    x = 3,749.34

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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.