Home / 8,811.20-12,159.45-4,832.38

Finding the Fourth Proportional to 8,811.20, 12,159.45 and 4,832.38

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Solution

The fourth proportional to 8,811.20, 12,159.45 and 4,832.38 is: 6,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.20 : 12,159.45 = 4,832.38 : x
  2. Step 2: Convert to fraction form
    8,811.20/12,159.45 = 4,832.38/x
  3. Step 3: Cross multiply
    8,811.20x = 12,159.45 × 4,832.38
  4. Step 4: Simplify right side
    8,811.20x = 58,759,082.99
  5. Step 5: Solve for x
    x = 58,759,082.99/8,811.20
  6. Step 6: Final answer
    x = 6,668.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.