Home / 8,145.24-12,223.80-2,951.52

Finding the Fourth Proportional to 8,145.24, 12,223.80 and 2,951.52

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Solution

The fourth proportional to 8,145.24, 12,223.80 and 2,951.52 is: 4,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.24 : 12,223.80 = 2,951.52 : x
  2. Step 2: Convert to fraction form
    8,145.24/12,223.80 = 2,951.52/x
  3. Step 3: Cross multiply
    8,145.24x = 12,223.80 × 2,951.52
  4. Step 4: Simplify right side
    8,145.24x = 36,078,790.18
  5. Step 5: Solve for x
    x = 36,078,790.18/8,145.24
  6. Step 6: Final answer
    x = 4,429.43

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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.