Home / 8,424.42-12,634.45-2,499.92

Finding the Fourth Proportional to 8,424.42, 12,634.45 and 2,499.92

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Solution

The fourth proportional to 8,424.42, 12,634.45 and 2,499.92 is: 3,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.42 : 12,634.45 = 2,499.92 : x
  2. Step 2: Convert to fraction form
    8,424.42/12,634.45 = 2,499.92/x
  3. Step 3: Cross multiply
    8,424.42x = 12,634.45 × 2,499.92
  4. Step 4: Simplify right side
    8,424.42x = 31,585,114.24
  5. Step 5: Solve for x
    x = 31,585,114.24/8,424.42
  6. Step 6: Final answer
    x = 3,749.23

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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.