Home / 8,161.24-12,242.63-2,895.74

Finding the Fourth Proportional to 8,161.24, 12,242.63 and 2,895.74

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Solution

The fourth proportional to 8,161.24, 12,242.63 and 2,895.74 is: 4,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.24 : 12,242.63 = 2,895.74 : x
  2. Step 2: Convert to fraction form
    8,161.24/12,242.63 = 2,895.74/x
  3. Step 3: Cross multiply
    8,161.24x = 12,242.63 × 2,895.74
  4. Step 4: Simplify right side
    8,161.24x = 35,451,473.40
  5. Step 5: Solve for x
    x = 35,451,473.40/8,161.24
  6. Step 6: Final answer
    x = 4,343.88

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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.