Home / 6,896.32-10,344.40-1,965.28

Finding the Fourth Proportional to 6,896.32, 10,344.40 and 1,965.28

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Solution

The fourth proportional to 6,896.32, 10,344.40 and 1,965.28 is: 2,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.32 : 10,344.40 = 1,965.28 : x
  2. Step 2: Convert to fraction form
    6,896.32/10,344.40 = 1,965.28/x
  3. Step 3: Cross multiply
    6,896.32x = 10,344.40 × 1,965.28
  4. Step 4: Simplify right side
    6,896.32x = 20,329,642.43
  5. Step 5: Solve for x
    x = 20,329,642.43/6,896.32
  6. Step 6: Final answer
    x = 2,947.90

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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.