Home / 8,669.16-11,959.52-5,523.39

Finding the Fourth Proportional to 8,669.16, 11,959.52 and 5,523.39

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Solution

The fourth proportional to 8,669.16, 11,959.52 and 5,523.39 is: 7,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.16 : 11,959.52 = 5,523.39 : x
  2. Step 2: Convert to fraction form
    8,669.16/11,959.52 = 5,523.39/x
  3. Step 3: Cross multiply
    8,669.16x = 11,959.52 × 5,523.39
  4. Step 4: Simplify right side
    8,669.16x = 66,057,065.56
  5. Step 5: Solve for x
    x = 66,057,065.56/8,669.16
  6. Step 6: Final answer
    x = 7,619.78

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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.