Home / 8,387.32-12,586.44-3,193.24

Finding the Fourth Proportional to 8,387.32, 12,586.44 and 3,193.24

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Solution

The fourth proportional to 8,387.32, 12,586.44 and 3,193.24 is: 4,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.32 : 12,586.44 = 3,193.24 : x
  2. Step 2: Convert to fraction form
    8,387.32/12,586.44 = 3,193.24/x
  3. Step 3: Cross multiply
    8,387.32x = 12,586.44 × 3,193.24
  4. Step 4: Simplify right side
    8,387.32x = 40,191,523.67
  5. Step 5: Solve for x
    x = 40,191,523.67/8,387.32
  6. Step 6: Final answer
    x = 4,791.94

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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.