Home / 6,982.47-10,472.97-2,821.23

Finding the Fourth Proportional to 6,982.47, 10,472.97 and 2,821.23

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Solution

The fourth proportional to 6,982.47, 10,472.97 and 2,821.23 is: 4,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.47 : 10,472.97 = 2,821.23 : x
  2. Step 2: Convert to fraction form
    6,982.47/10,472.97 = 2,821.23/x
  3. Step 3: Cross multiply
    6,982.47x = 10,472.97 × 2,821.23
  4. Step 4: Simplify right side
    6,982.47x = 29,546,657.15
  5. Step 5: Solve for x
    x = 29,546,657.15/6,982.47
  6. Step 6: Final answer
    x = 4,231.55

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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.