Home / 8,452.55-12,679.98-3,521.04

Finding the Fourth Proportional to 8,452.55, 12,679.98 and 3,521.04

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Solution

The fourth proportional to 8,452.55, 12,679.98 and 3,521.04 is: 5,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.55 : 12,679.98 = 3,521.04 : x
  2. Step 2: Convert to fraction form
    8,452.55/12,679.98 = 3,521.04/x
  3. Step 3: Cross multiply
    8,452.55x = 12,679.98 × 3,521.04
  4. Step 4: Simplify right side
    8,452.55x = 44,646,716.45
  5. Step 5: Solve for x
    x = 44,646,716.45/8,452.55
  6. Step 6: Final answer
    x = 5,282.04

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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.