Home / 6,859.62-10,278.45-3,940.02

Finding the Fourth Proportional to 6,859.62, 10,278.45 and 3,940.02

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Solution

The fourth proportional to 6,859.62, 10,278.45 and 3,940.02 is: 5,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.62 : 10,278.45 = 3,940.02 : x
  2. Step 2: Convert to fraction form
    6,859.62/10,278.45 = 3,940.02/x
  3. Step 3: Cross multiply
    6,859.62x = 10,278.45 × 3,940.02
  4. Step 4: Simplify right side
    6,859.62x = 40,497,298.57
  5. Step 5: Solve for x
    x = 40,497,298.57/6,859.62
  6. Step 6: Final answer
    x = 5,903.72

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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.