Home / 8,101.29-11,181.20-5,116.17

Finding the Fourth Proportional to 8,101.29, 11,181.20 and 5,116.17

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Solution

The fourth proportional to 8,101.29, 11,181.20 and 5,116.17 is: 7,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.29 : 11,181.20 = 5,116.17 : x
  2. Step 2: Convert to fraction form
    8,101.29/11,181.20 = 5,116.17/x
  3. Step 3: Cross multiply
    8,101.29x = 11,181.20 × 5,116.17
  4. Step 4: Simplify right side
    8,101.29x = 57,204,894.42
  5. Step 5: Solve for x
    x = 57,204,894.42/8,101.29
  6. Step 6: Final answer
    x = 7,061.21

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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.