Home / 8,606.20-12,909.32-2,762.88

Finding the Fourth Proportional to 8,606.20, 12,909.32 and 2,762.88

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Solution

The fourth proportional to 8,606.20, 12,909.32 and 2,762.88 is: 4,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.20 : 12,909.32 = 2,762.88 : x
  2. Step 2: Convert to fraction form
    8,606.20/12,909.32 = 2,762.88/x
  3. Step 3: Cross multiply
    8,606.20x = 12,909.32 × 2,762.88
  4. Step 4: Simplify right side
    8,606.20x = 35,666,902.04
  5. Step 5: Solve for x
    x = 35,666,902.04/8,606.20
  6. Step 6: Final answer
    x = 4,144.33

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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.