Home / 8,311.06-11,470.14-5,082.76

Finding the Fourth Proportional to 8,311.06, 11,470.14 and 5,082.76

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Solution

The fourth proportional to 8,311.06, 11,470.14 and 5,082.76 is: 7,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.06 : 11,470.14 = 5,082.76 : x
  2. Step 2: Convert to fraction form
    8,311.06/11,470.14 = 5,082.76/x
  3. Step 3: Cross multiply
    8,311.06x = 11,470.14 × 5,082.76
  4. Step 4: Simplify right side
    8,311.06x = 58,299,968.79
  5. Step 5: Solve for x
    x = 58,299,968.79/8,311.06
  6. Step 6: Final answer
    x = 7,014.75

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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.