Home / 8,126.06-11,215.14-4,770.71

Finding the Fourth Proportional to 8,126.06, 11,215.14 and 4,770.71

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Solution

The fourth proportional to 8,126.06, 11,215.14 and 4,770.71 is: 6,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.06 : 11,215.14 = 4,770.71 : x
  2. Step 2: Convert to fraction form
    8,126.06/11,215.14 = 4,770.71/x
  3. Step 3: Cross multiply
    8,126.06x = 11,215.14 × 4,770.71
  4. Step 4: Simplify right side
    8,126.06x = 53,504,238.56
  5. Step 5: Solve for x
    x = 53,504,238.56/8,126.06
  6. Step 6: Final answer
    x = 6,584.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.