Home / 5,542.88-8,316.12-1,845.20

Finding the Fourth Proportional to 5,542.88, 8,316.12 and 1,845.20

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Solution

The fourth proportional to 5,542.88, 8,316.12 and 1,845.20 is: 2,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.88 : 8,316.12 = 1,845.20 : x
  2. Step 2: Convert to fraction form
    5,542.88/8,316.12 = 1,845.20/x
  3. Step 3: Cross multiply
    5,542.88x = 8,316.12 × 1,845.20
  4. Step 4: Simplify right side
    5,542.88x = 15,344,904.62
  5. Step 5: Solve for x
    x = 15,344,904.62/5,542.88
  6. Step 6: Final answer
    x = 2,768.40

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