Home / 6,221.28-8,583.66-3,567.12

Finding the Fourth Proportional to 6,221.28, 8,583.66 and 3,567.12

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Solution

The fourth proportional to 6,221.28, 8,583.66 and 3,567.12 is: 4,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.28 : 8,583.66 = 3,567.12 : x
  2. Step 2: Convert to fraction form
    6,221.28/8,583.66 = 3,567.12/x
  3. Step 3: Cross multiply
    6,221.28x = 8,583.66 × 3,567.12
  4. Step 4: Simplify right side
    6,221.28x = 30,618,945.26
  5. Step 5: Solve for x
    x = 30,618,945.26/6,221.28
  6. Step 6: Final answer
    x = 4,921.65

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Half scale
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Double 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.