Home / 8,116.82-11,207.15-5,247.24

Finding the Fourth Proportional to 8,116.82, 11,207.15 and 5,247.24

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Solution

The fourth proportional to 8,116.82, 11,207.15 and 5,247.24 is: 7,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.82 : 11,207.15 = 5,247.24 : x
  2. Step 2: Convert to fraction form
    8,116.82/11,207.15 = 5,247.24/x
  3. Step 3: Cross multiply
    8,116.82x = 11,207.15 × 5,247.24
  4. Step 4: Simplify right side
    8,116.82x = 58,806,579.53
  5. Step 5: Solve for x
    x = 58,806,579.53/8,116.82
  6. Step 6: Final answer
    x = 7,245.03

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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.