Home / 5,719.68-8,575.92-3,216.90

Finding the Fourth Proportional to 5,719.68, 8,575.92 and 3,216.90

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Solution

The fourth proportional to 5,719.68, 8,575.92 and 3,216.90 is: 4,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.68 : 8,575.92 = 3,216.90 : x
  2. Step 2: Convert to fraction form
    5,719.68/8,575.92 = 3,216.90/x
  3. Step 3: Cross multiply
    5,719.68x = 8,575.92 × 3,216.90
  4. Step 4: Simplify right side
    5,719.68x = 27,587,877.05
  5. Step 5: Solve for x
    x = 27,587,877.05/5,719.68
  6. Step 6: Final answer
    x = 4,823.33

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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.