Home / 5,104.20-7,659.56-2,182.50

Finding the Fourth Proportional to 5,104.20, 7,659.56 and 2,182.50

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Solution

The fourth proportional to 5,104.20, 7,659.56 and 2,182.50 is: 3,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.20 : 7,659.56 = 2,182.50 : x
  2. Step 2: Convert to fraction form
    5,104.20/7,659.56 = 2,182.50/x
  3. Step 3: Cross multiply
    5,104.20x = 7,659.56 × 2,182.50
  4. Step 4: Simplify right side
    5,104.20x = 16,716,978.79
  5. Step 5: Solve for x
    x = 16,716,978.79/5,104.20
  6. Step 6: Final answer
    x = 3,275.14

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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.