Home / 5,388.18-8,082.24-1,492.57

Finding the Fourth Proportional to 5,388.18, 8,082.24 and 1,492.57

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Solution

The fourth proportional to 5,388.18, 8,082.24 and 1,492.57 is: 2,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.18 : 8,082.24 = 1,492.57 : x
  2. Step 2: Convert to fraction form
    5,388.18/8,082.24 = 1,492.57/x
  3. Step 3: Cross multiply
    5,388.18x = 8,082.24 × 1,492.57
  4. Step 4: Simplify right side
    5,388.18x = 12,063,308.96
  5. Step 5: Solve for x
    x = 12,063,308.96/5,388.18
  6. Step 6: Final answer
    x = 2,238.85

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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.