Home / 10,461.25-15,694.31-3,535.75

Finding the Fourth Proportional to 10,461.25, 15,694.31 and 3,535.75

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Solution

The fourth proportional to 10,461.25, 15,694.31 and 3,535.75 is: 5,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.25 : 15,694.31 = 3,535.75 : x
  2. Step 2: Convert to fraction form
    10,461.25/15,694.31 = 3,535.75/x
  3. Step 3: Cross multiply
    10,461.25x = 15,694.31 × 3,535.75
  4. Step 4: Simplify right side
    10,461.25x = 55,491,156.58
  5. Step 5: Solve for x
    x = 55,491,156.58/10,461.25
  6. Step 6: Final answer
    x = 5,304.45

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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.