Home / 8,144.70-12,216.51-2,301.90

Finding the Fourth Proportional to 8,144.70, 12,216.51 and 2,301.90

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Solution

The fourth proportional to 8,144.70, 12,216.51 and 2,301.90 is: 3,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.70 : 12,216.51 = 2,301.90 : x
  2. Step 2: Convert to fraction form
    8,144.70/12,216.51 = 2,301.90/x
  3. Step 3: Cross multiply
    8,144.70x = 12,216.51 × 2,301.90
  4. Step 4: Simplify right side
    8,144.70x = 28,121,184.37
  5. Step 5: Solve for x
    x = 28,121,184.37/8,144.70
  6. Step 6: Final answer
    x = 3,452.70

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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.