Home / 5,498.40-8,241.56-2,720.96

Finding the Fourth Proportional to 5,498.40, 8,241.56 and 2,720.96

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Solution

The fourth proportional to 5,498.40, 8,241.56 and 2,720.96 is: 4,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.40 : 8,241.56 = 2,720.96 : x
  2. Step 2: Convert to fraction form
    5,498.40/8,241.56 = 2,720.96/x
  3. Step 3: Cross multiply
    5,498.40x = 8,241.56 × 2,720.96
  4. Step 4: Simplify right side
    5,498.40x = 22,424,955.10
  5. Step 5: Solve for x
    x = 22,424,955.10/5,498.40
  6. Step 6: Final answer
    x = 4,078.45

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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.