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Finding the Fourth Proportional to 8,082.06, 12,123.10 and 2,888.34

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Solution

The fourth proportional to 8,082.06, 12,123.10 and 2,888.34 is: 4,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.06 : 12,123.10 = 2,888.34 : x
  2. Step 2: Convert to fraction form
    8,082.06/12,123.10 = 2,888.34/x
  3. Step 3: Cross multiply
    8,082.06x = 12,123.10 × 2,888.34
  4. Step 4: Simplify right side
    8,082.06x = 35,015,634.65
  5. Step 5: Solve for x
    x = 35,015,634.65/8,082.06
  6. Step 6: Final answer
    x = 4,332.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.