Home / 7,751.28-11,618.82-3,797.10

Finding the Fourth Proportional to 7,751.28, 11,618.82 and 3,797.10

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Solution

The fourth proportional to 7,751.28, 11,618.82 and 3,797.10 is: 5,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.28 : 11,618.82 = 3,797.10 : x
  2. Step 2: Convert to fraction form
    7,751.28/11,618.82 = 3,797.10/x
  3. Step 3: Cross multiply
    7,751.28x = 11,618.82 × 3,797.10
  4. Step 4: Simplify right side
    7,751.28x = 44,117,821.42
  5. Step 5: Solve for x
    x = 44,117,821.42/7,751.28
  6. Step 6: Final answer
    x = 5,691.68

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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.