Home / 8,144.13-12,216.63-2,301.20

Finding the Fourth Proportional to 8,144.13, 12,216.63 and 2,301.20

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Solution

The fourth proportional to 8,144.13, 12,216.63 and 2,301.20 is: 3,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.13 : 12,216.63 = 2,301.20 : x
  2. Step 2: Convert to fraction form
    8,144.13/12,216.63 = 2,301.20/x
  3. Step 3: Cross multiply
    8,144.13x = 12,216.63 × 2,301.20
  4. Step 4: Simplify right side
    8,144.13x = 28,112,847.87
  5. Step 5: Solve for x
    x = 28,112,847.87/8,144.13
  6. Step 6: Final answer
    x = 3,451.92

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1.5x scale

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.