Home / 8,240.42-12,360.65-2,000.41

Finding the Fourth Proportional to 8,240.42, 12,360.65 and 2,000.41

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Solution

The fourth proportional to 8,240.42, 12,360.65 and 2,000.41 is: 3,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.42 : 12,360.65 = 2,000.41 : x
  2. Step 2: Convert to fraction form
    8,240.42/12,360.65 = 2,000.41/x
  3. Step 3: Cross multiply
    8,240.42x = 12,360.65 × 2,000.41
  4. Step 4: Simplify right side
    8,240.42x = 24,726,367.87
  5. Step 5: Solve for x
    x = 24,726,367.87/8,240.42
  6. Step 6: Final answer
    x = 3,000.62

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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.