Home / 5,711.02-7,882.87-3,321.55

Finding the Fourth Proportional to 5,711.02, 7,882.87 and 3,321.55

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Solution

The fourth proportional to 5,711.02, 7,882.87 and 3,321.55 is: 4,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.02 : 7,882.87 = 3,321.55 : x
  2. Step 2: Convert to fraction form
    5,711.02/7,882.87 = 3,321.55/x
  3. Step 3: Cross multiply
    5,711.02x = 7,882.87 × 3,321.55
  4. Step 4: Simplify right side
    5,711.02x = 26,183,331.29
  5. Step 5: Solve for x
    x = 26,183,331.29/5,711.02
  6. Step 6: Final answer
    x = 4,584.71

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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.