Home / 8,125.08-12,187.35-2,281.56

Finding the Fourth Proportional to 8,125.08, 12,187.35 and 2,281.56

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Solution

The fourth proportional to 8,125.08, 12,187.35 and 2,281.56 is: 3,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.08 : 12,187.35 = 2,281.56 : x
  2. Step 2: Convert to fraction form
    8,125.08/12,187.35 = 2,281.56/x
  3. Step 3: Cross multiply
    8,125.08x = 12,187.35 × 2,281.56
  4. Step 4: Simplify right side
    8,125.08x = 27,806,170.27
  5. Step 5: Solve for x
    x = 27,806,170.27/8,125.08
  6. Step 6: Final answer
    x = 3,422.26

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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.