Home / 8,101.06-11,187.48-5,589.66

Finding the Fourth Proportional to 8,101.06, 11,187.48 and 5,589.66

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Solution

The fourth proportional to 8,101.06, 11,187.48 and 5,589.66 is: 7,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.06 : 11,187.48 = 5,589.66 : x
  2. Step 2: Convert to fraction form
    8,101.06/11,187.48 = 5,589.66/x
  3. Step 3: Cross multiply
    8,101.06x = 11,187.48 × 5,589.66
  4. Step 4: Simplify right side
    8,101.06x = 62,534,209.46
  5. Step 5: Solve for x
    x = 62,534,209.46/8,101.06
  6. Step 6: Final answer
    x = 7,719.26

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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.