Home / 6,346.20-8,757.56-3,513.69

Finding the Fourth Proportional to 6,346.20, 8,757.56 and 3,513.69

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Solution

The fourth proportional to 6,346.20, 8,757.56 and 3,513.69 is: 4,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.20 : 8,757.56 = 3,513.69 : x
  2. Step 2: Convert to fraction form
    6,346.20/8,757.56 = 3,513.69/x
  3. Step 3: Cross multiply
    6,346.20x = 8,757.56 × 3,513.69
  4. Step 4: Simplify right side
    6,346.20x = 30,771,351.00
  5. Step 5: Solve for x
    x = 30,771,351.00/6,346.20
  6. Step 6: Final answer
    x = 4,848.78

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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.