Home / 6,943.11-10,403.72-3,818.53

Finding the Fourth Proportional to 6,943.11, 10,403.72 and 3,818.53

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Solution

The fourth proportional to 6,943.11, 10,403.72 and 3,818.53 is: 5,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.11 : 10,403.72 = 3,818.53 : x
  2. Step 2: Convert to fraction form
    6,943.11/10,403.72 = 3,818.53/x
  3. Step 3: Cross multiply
    6,943.11x = 10,403.72 × 3,818.53
  4. Step 4: Simplify right side
    6,943.11x = 39,726,916.93
  5. Step 5: Solve for x
    x = 39,726,916.93/6,943.11
  6. Step 6: Final answer
    x = 5,721.78

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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.