Home / 6,983.30-10,471.15-2,821.19

Finding the Fourth Proportional to 6,983.30, 10,471.15 and 2,821.19

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Solution

The fourth proportional to 6,983.30, 10,471.15 and 2,821.19 is: 4,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.30 : 10,471.15 = 2,821.19 : x
  2. Step 2: Convert to fraction form
    6,983.30/10,471.15 = 2,821.19/x
  3. Step 3: Cross multiply
    6,983.30x = 10,471.15 × 2,821.19
  4. Step 4: Simplify right side
    6,983.30x = 29,541,103.67
  5. Step 5: Solve for x
    x = 29,541,103.67/6,983.30
  6. Step 6: Final answer
    x = 4,230.25

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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.