Home / 8,380.06-12,575.09-3,114.18

Finding the Fourth Proportional to 8,380.06, 12,575.09 and 3,114.18

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Solution

The fourth proportional to 8,380.06, 12,575.09 and 3,114.18 is: 4,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.06 : 12,575.09 = 3,114.18 : x
  2. Step 2: Convert to fraction form
    8,380.06/12,575.09 = 3,114.18/x
  3. Step 3: Cross multiply
    8,380.06x = 12,575.09 × 3,114.18
  4. Step 4: Simplify right side
    8,380.06x = 39,161,101.56
  5. Step 5: Solve for x
    x = 39,161,101.56/8,380.06
  6. Step 6: Final answer
    x = 4,673.13

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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.