Home / 6,818.95-9,408.43-5,227.19

Finding the Fourth Proportional to 6,818.95, 9,408.43 and 5,227.19

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Solution

The fourth proportional to 6,818.95, 9,408.43 and 5,227.19 is: 7,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.95 : 9,408.43 = 5,227.19 : x
  2. Step 2: Convert to fraction form
    6,818.95/9,408.43 = 5,227.19/x
  3. Step 3: Cross multiply
    6,818.95x = 9,408.43 × 5,227.19
  4. Step 4: Simplify right side
    6,818.95x = 49,179,651.21
  5. Step 5: Solve for x
    x = 49,179,651.21/6,818.95
  6. Step 6: Final answer
    x = 7,212.20

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