Home / 8,680.48-11,976.24-5,537.68

Finding the Fourth Proportional to 8,680.48, 11,976.24 and 5,537.68

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Solution

The fourth proportional to 8,680.48, 11,976.24 and 5,537.68 is: 7,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.48 : 11,976.24 = 5,537.68 : x
  2. Step 2: Convert to fraction form
    8,680.48/11,976.24 = 5,537.68/x
  3. Step 3: Cross multiply
    8,680.48x = 11,976.24 × 5,537.68
  4. Step 4: Simplify right side
    8,680.48x = 66,320,584.72
  5. Step 5: Solve for x
    x = 66,320,584.72/8,680.48
  6. Step 6: Final answer
    x = 7,640.20

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1.5x scale

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.