Home / 6,932.71-10,399.02-1,738.57

Finding the Fourth Proportional to 6,932.71, 10,399.02 and 1,738.57

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Solution

The fourth proportional to 6,932.71, 10,399.02 and 1,738.57 is: 2,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.71 : 10,399.02 = 1,738.57 : x
  2. Step 2: Convert to fraction form
    6,932.71/10,399.02 = 1,738.57/x
  3. Step 3: Cross multiply
    6,932.71x = 10,399.02 × 1,738.57
  4. Step 4: Simplify right side
    6,932.71x = 18,079,424.20
  5. Step 5: Solve for x
    x = 18,079,424.20/6,932.71
  6. Step 6: Final answer
    x = 2,607.84

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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.