Home / 8,606.24-12,909.66-2,762.70

Finding the Fourth Proportional to 8,606.24, 12,909.66 and 2,762.70

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Solution

The fourth proportional to 8,606.24, 12,909.66 and 2,762.70 is: 4,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.24 : 12,909.66 = 2,762.70 : x
  2. Step 2: Convert to fraction form
    8,606.24/12,909.66 = 2,762.70/x
  3. Step 3: Cross multiply
    8,606.24x = 12,909.66 × 2,762.70
  4. Step 4: Simplify right side
    8,606.24x = 35,665,517.68
  5. Step 5: Solve for x
    x = 35,665,517.68/8,606.24
  6. Step 6: Final answer
    x = 4,144.15

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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.