Home / 5,195.60-7,171.96-3,518

Finding the Fourth Proportional to 5,195.60, 7,171.96 and 3,518

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Solution

The fourth proportional to 5,195.60, 7,171.96 and 3,518 is: 4,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.60 : 7,171.96 = 3,518 : x
  2. Step 2: Convert to fraction form
    5,195.60/7,171.96 = 3,518/x
  3. Step 3: Cross multiply
    5,195.60x = 7,171.96 × 3,518
  4. Step 4: Simplify right side
    5,195.60x = 25,230,955.28
  5. Step 5: Solve for x
    x = 25,230,955.28/5,195.60
  6. Step 6: Final answer
    x = 4,856.22

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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.