Home / 8,288.96-12,438.56-3,358.64

Finding the Fourth Proportional to 8,288.96, 12,438.56 and 3,358.64

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Solution

The fourth proportional to 8,288.96, 12,438.56 and 3,358.64 is: 5,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.96 : 12,438.56 = 3,358.64 : x
  2. Step 2: Convert to fraction form
    8,288.96/12,438.56 = 3,358.64/x
  3. Step 3: Cross multiply
    8,288.96x = 12,438.56 × 3,358.64
  4. Step 4: Simplify right side
    8,288.96x = 41,776,649.67
  5. Step 5: Solve for x
    x = 41,776,649.67/8,288.96
  6. Step 6: Final answer
    x = 5,040.04

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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.