Home / 6,990.45-10,489.31-2,833.53

Finding the Fourth Proportional to 6,990.45, 10,489.31 and 2,833.53

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Solution

The fourth proportional to 6,990.45, 10,489.31 and 2,833.53 is: 4,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.45 : 10,489.31 = 2,833.53 : x
  2. Step 2: Convert to fraction form
    6,990.45/10,489.31 = 2,833.53/x
  3. Step 3: Cross multiply
    6,990.45x = 10,489.31 × 2,833.53
  4. Step 4: Simplify right side
    6,990.45x = 29,721,729.20
  5. Step 5: Solve for x
    x = 29,721,729.20/6,990.45
  6. Step 6: Final answer
    x = 4,251.76

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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.