Home / 8,542.44-11,790.06-5,521.26

Finding the Fourth Proportional to 8,542.44, 11,790.06 and 5,521.26

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Solution

The fourth proportional to 8,542.44, 11,790.06 and 5,521.26 is: 7,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.44 : 11,790.06 = 5,521.26 : x
  2. Step 2: Convert to fraction form
    8,542.44/11,790.06 = 5,521.26/x
  3. Step 3: Cross multiply
    8,542.44x = 11,790.06 × 5,521.26
  4. Step 4: Simplify right side
    8,542.44x = 65,096,010.18
  5. Step 5: Solve for x
    x = 65,096,010.18/8,542.44
  6. Step 6: Final answer
    x = 7,620.31

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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.