Home / 8,158.06-11,262.80-5,371.66

Finding the Fourth Proportional to 8,158.06, 11,262.80 and 5,371.66

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Solution

The fourth proportional to 8,158.06, 11,262.80 and 5,371.66 is: 7,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.06 : 11,262.80 = 5,371.66 : x
  2. Step 2: Convert to fraction form
    8,158.06/11,262.80 = 5,371.66/x
  3. Step 3: Cross multiply
    8,158.06x = 11,262.80 × 5,371.66
  4. Step 4: Simplify right side
    8,158.06x = 60,499,932.25
  5. Step 5: Solve for x
    x = 60,499,932.25/8,158.06
  6. Step 6: Final answer
    x = 7,415.97

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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.