Home / 5,252.12-7,878.18-2,132.12

Finding the Fourth Proportional to 5,252.12, 7,878.18 and 2,132.12

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Solution

The fourth proportional to 5,252.12, 7,878.18 and 2,132.12 is: 3,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.12 : 7,878.18 = 2,132.12 : x
  2. Step 2: Convert to fraction form
    5,252.12/7,878.18 = 2,132.12/x
  3. Step 3: Cross multiply
    5,252.12x = 7,878.18 × 2,132.12
  4. Step 4: Simplify right side
    5,252.12x = 16,797,225.14
  5. Step 5: Solve for x
    x = 16,797,225.14/5,252.12
  6. Step 6: Final answer
    x = 3,198.18

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Similar ratio
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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.