Home / 8,777.16-13,159.68-3,229.76

Finding the Fourth Proportional to 8,777.16, 13,159.68 and 3,229.76

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Solution

The fourth proportional to 8,777.16, 13,159.68 and 3,229.76 is: 4,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.16 : 13,159.68 = 3,229.76 : x
  2. Step 2: Convert to fraction form
    8,777.16/13,159.68 = 3,229.76/x
  3. Step 3: Cross multiply
    8,777.16x = 13,159.68 × 3,229.76
  4. Step 4: Simplify right side
    8,777.16x = 42,502,608.08
  5. Step 5: Solve for x
    x = 42,502,608.08/8,777.16
  6. Step 6: Final answer
    x = 4,842.41

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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.