Home / 6,942.73-10,403.16-3,818.10

Finding the Fourth Proportional to 6,942.73, 10,403.16 and 3,818.10

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Solution

The fourth proportional to 6,942.73, 10,403.16 and 3,818.10 is: 5,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.73 : 10,403.16 = 3,818.10 : x
  2. Step 2: Convert to fraction form
    6,942.73/10,403.16 = 3,818.10/x
  3. Step 3: Cross multiply
    6,942.73x = 10,403.16 × 3,818.10
  4. Step 4: Simplify right side
    6,942.73x = 39,720,305.20
  5. Step 5: Solve for x
    x = 39,720,305.20/6,942.73
  6. Step 6: Final answer
    x = 5,721.14

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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.