Home / 8,122.14-11,207.55-5,763.42

Finding the Fourth Proportional to 8,122.14, 11,207.55 and 5,763.42

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Solution

The fourth proportional to 8,122.14, 11,207.55 and 5,763.42 is: 7,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.14 : 11,207.55 = 5,763.42 : x
  2. Step 2: Convert to fraction form
    8,122.14/11,207.55 = 5,763.42/x
  3. Step 3: Cross multiply
    8,122.14x = 11,207.55 × 5,763.42
  4. Step 4: Simplify right side
    8,122.14x = 64,593,817.82
  5. Step 5: Solve for x
    x = 64,593,817.82/8,122.14
  6. Step 6: Final answer
    x = 7,952.81

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Double 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.