Home / 5,389.20-8,070.82-3,652.56

Finding the Fourth Proportional to 5,389.20, 8,070.82 and 3,652.56

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Solution

The fourth proportional to 5,389.20, 8,070.82 and 3,652.56 is: 5,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.20 : 8,070.82 = 3,652.56 : x
  2. Step 2: Convert to fraction form
    5,389.20/8,070.82 = 3,652.56/x
  3. Step 3: Cross multiply
    5,389.20x = 8,070.82 × 3,652.56
  4. Step 4: Simplify right side
    5,389.20x = 29,479,154.30
  5. Step 5: Solve for x
    x = 29,479,154.30/5,389.20
  6. Step 6: Final answer
    x = 5,470.04

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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.