Home / 8,081.87-11,160-5,961.08

Finding the Fourth Proportional to 8,081.87, 11,160 and 5,961.08

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Solution

The fourth proportional to 8,081.87, 11,160 and 5,961.08 is: 8,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.87 : 11,160 = 5,961.08 : x
  2. Step 2: Convert to fraction form
    8,081.87/11,160 = 5,961.08/x
  3. Step 3: Cross multiply
    8,081.87x = 11,160 × 5,961.08
  4. Step 4: Simplify right side
    8,081.87x = 66,525,680.70
  5. Step 5: Solve for x
    x = 66,525,680.70/8,081.87
  6. Step 6: Final answer
    x = 8,231.47

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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.