Home / 9,214.05-12,715.68-5,234.92

Finding the Fourth Proportional to 9,214.05, 12,715.68 and 5,234.92

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Solution

The fourth proportional to 9,214.05, 12,715.68 and 5,234.92 is: 7,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.05 : 12,715.68 = 5,234.92 : x
  2. Step 2: Convert to fraction form
    9,214.05/12,715.68 = 5,234.92/x
  3. Step 3: Cross multiply
    9,214.05x = 12,715.68 × 5,234.92
  4. Step 4: Simplify right side
    9,214.05x = 66,565,567.55
  5. Step 5: Solve for x
    x = 66,565,567.55/9,214.05
  6. Step 6: Final answer
    x = 7,224.36

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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.