Home / 5,540.72-8,291.56-3,461.70

Finding the Fourth Proportional to 5,540.72, 8,291.56 and 3,461.70

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Solution

The fourth proportional to 5,540.72, 8,291.56 and 3,461.70 is: 5,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.72 : 8,291.56 = 3,461.70 : x
  2. Step 2: Convert to fraction form
    5,540.72/8,291.56 = 3,461.70/x
  3. Step 3: Cross multiply
    5,540.72x = 8,291.56 × 3,461.70
  4. Step 4: Simplify right side
    5,540.72x = 28,702,893.25
  5. Step 5: Solve for x
    x = 28,702,893.25/5,540.72
  6. Step 6: Final answer
    x = 5,180.36

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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.