Home / 5,651.28-8,480.16-3,154.56

Finding the Fourth Proportional to 5,651.28, 8,480.16 and 3,154.56

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Solution

The fourth proportional to 5,651.28, 8,480.16 and 3,154.56 is: 4,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.28 : 8,480.16 = 3,154.56 : x
  2. Step 2: Convert to fraction form
    5,651.28/8,480.16 = 3,154.56/x
  3. Step 3: Cross multiply
    5,651.28x = 8,480.16 × 3,154.56
  4. Step 4: Simplify right side
    5,651.28x = 26,751,173.53
  5. Step 5: Solve for x
    x = 26,751,173.53/5,651.28
  6. Step 6: Final answer
    x = 4,733.65

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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.