Home / 5,679.27-8,522.15-2,216.79

Finding the Fourth Proportional to 5,679.27, 8,522.15 and 2,216.79

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Solution

The fourth proportional to 5,679.27, 8,522.15 and 2,216.79 is: 3,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.27 : 8,522.15 = 2,216.79 : x
  2. Step 2: Convert to fraction form
    5,679.27/8,522.15 = 2,216.79/x
  3. Step 3: Cross multiply
    5,679.27x = 8,522.15 × 2,216.79
  4. Step 4: Simplify right side
    5,679.27x = 18,891,805.81
  5. Step 5: Solve for x
    x = 18,891,805.81/5,679.27
  6. Step 6: Final answer
    x = 3,326.45

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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.