Home / 8,245.20-12,369-2,401.04

Finding the Fourth Proportional to 8,245.20, 12,369 and 2,401.04

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Solution

The fourth proportional to 8,245.20, 12,369 and 2,401.04 is: 3,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.20 : 12,369 = 2,401.04 : x
  2. Step 2: Convert to fraction form
    8,245.20/12,369 = 2,401.04/x
  3. Step 3: Cross multiply
    8,245.20x = 12,369 × 2,401.04
  4. Step 4: Simplify right side
    8,245.20x = 29,698,463.76
  5. Step 5: Solve for x
    x = 29,698,463.76/8,245.20
  6. Step 6: Final answer
    x = 3,601.91

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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.