Home / 8,190.17-11,306.73-5,515.46

Finding the Fourth Proportional to 8,190.17, 11,306.73 and 5,515.46

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Solution

The fourth proportional to 8,190.17, 11,306.73 and 5,515.46 is: 7,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.17 : 11,306.73 = 5,515.46 : x
  2. Step 2: Convert to fraction form
    8,190.17/11,306.73 = 5,515.46/x
  3. Step 3: Cross multiply
    8,190.17x = 11,306.73 × 5,515.46
  4. Step 4: Simplify right side
    8,190.17x = 62,361,817.05
  5. Step 5: Solve for x
    x = 62,361,817.05/8,190.17
  6. Step 6: Final answer
    x = 7,614.23

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Half scale
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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.