Home / 8,911.32-13,367.72-2,670.88

Finding the Fourth Proportional to 8,911.32, 13,367.72 and 2,670.88

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Solution

The fourth proportional to 8,911.32, 13,367.72 and 2,670.88 is: 4,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.32 : 13,367.72 = 2,670.88 : x
  2. Step 2: Convert to fraction form
    8,911.32/13,367.72 = 2,670.88/x
  3. Step 3: Cross multiply
    8,911.32x = 13,367.72 × 2,670.88
  4. Step 4: Simplify right side
    8,911.32x = 35,703,575.99
  5. Step 5: Solve for x
    x = 35,703,575.99/8,911.32
  6. Step 6: Final answer
    x = 4,006.54

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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.