Home / 5,577.68-8,381.88-3,392.72

Finding the Fourth Proportional to 5,577.68, 8,381.88 and 3,392.72

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Solution

The fourth proportional to 5,577.68, 8,381.88 and 3,392.72 is: 5,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.68 : 8,381.88 = 3,392.72 : x
  2. Step 2: Convert to fraction form
    5,577.68/8,381.88 = 3,392.72/x
  3. Step 3: Cross multiply
    5,577.68x = 8,381.88 × 3,392.72
  4. Step 4: Simplify right side
    5,577.68x = 28,437,371.91
  5. Step 5: Solve for x
    x = 28,437,371.91/5,577.68
  6. Step 6: Final answer
    x = 5,098.42

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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.