Home / 10,287.90-15,427.89-3,266.46

Finding the Fourth Proportional to 10,287.90, 15,427.89 and 3,266.46

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Solution

The fourth proportional to 10,287.90, 15,427.89 and 3,266.46 is: 4,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.90 : 15,427.89 = 3,266.46 : x
  2. Step 2: Convert to fraction form
    10,287.90/15,427.89 = 3,266.46/x
  3. Step 3: Cross multiply
    10,287.90x = 15,427.89 × 3,266.46
  4. Step 4: Simplify right side
    10,287.90x = 50,394,585.57
  5. Step 5: Solve for x
    x = 50,394,585.57/10,287.90
  6. Step 6: Final answer
    x = 4,898.43

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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.