Home / 6,172.48-8,517.52-3,519.39

Finding the Fourth Proportional to 6,172.48, 8,517.52 and 3,519.39

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Solution

The fourth proportional to 6,172.48, 8,517.52 and 3,519.39 is: 4,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.48 : 8,517.52 = 3,519.39 : x
  2. Step 2: Convert to fraction form
    6,172.48/8,517.52 = 3,519.39/x
  3. Step 3: Cross multiply
    6,172.48x = 8,517.52 × 3,519.39
  4. Step 4: Simplify right side
    6,172.48x = 29,976,474.71
  5. Step 5: Solve for x
    x = 29,976,474.71/6,172.48
  6. Step 6: Final answer
    x = 4,856.47

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1.5x scale

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.