Home / 8,287.72-11,436.66-4,751.80

Finding the Fourth Proportional to 8,287.72, 11,436.66 and 4,751.80

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Solution

The fourth proportional to 8,287.72, 11,436.66 and 4,751.80 is: 6,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.72 : 11,436.66 = 4,751.80 : x
  2. Step 2: Convert to fraction form
    8,287.72/11,436.66 = 4,751.80/x
  3. Step 3: Cross multiply
    8,287.72x = 11,436.66 × 4,751.80
  4. Step 4: Simplify right side
    8,287.72x = 54,344,720.99
  5. Step 5: Solve for x
    x = 54,344,720.99/8,287.72
  6. Step 6: Final answer
    x = 6,557.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.