Home / 8,766.36-13,149-3,499.20

Finding the Fourth Proportional to 8,766.36, 13,149 and 3,499.20

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Solution

The fourth proportional to 8,766.36, 13,149 and 3,499.20 is: 5,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.36 : 13,149 = 3,499.20 : x
  2. Step 2: Convert to fraction form
    8,766.36/13,149 = 3,499.20/x
  3. Step 3: Cross multiply
    8,766.36x = 13,149 × 3,499.20
  4. Step 4: Simplify right side
    8,766.36x = 46,010,980.80
  5. Step 5: Solve for x
    x = 46,010,980.80/8,766.36
  6. Step 6: Final answer
    x = 5,248.58

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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.