Home / 8,239.28-12,360.96-2,396.48

Finding the Fourth Proportional to 8,239.28, 12,360.96 and 2,396.48

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Solution

The fourth proportional to 8,239.28, 12,360.96 and 2,396.48 is: 3,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.28 : 12,360.96 = 2,396.48 : x
  2. Step 2: Convert to fraction form
    8,239.28/12,360.96 = 2,396.48/x
  3. Step 3: Cross multiply
    8,239.28x = 12,360.96 × 2,396.48
  4. Step 4: Simplify right side
    8,239.28x = 29,622,731.62
  5. Step 5: Solve for x
    x = 29,622,731.62/8,239.28
  6. Step 6: Final answer
    x = 3,595.31

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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.