Home / 10,246.79-15,370.20-2,851.27

Finding the Fourth Proportional to 10,246.79, 15,370.20 and 2,851.27

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Solution

The fourth proportional to 10,246.79, 15,370.20 and 2,851.27 is: 4,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.79 : 15,370.20 = 2,851.27 : x
  2. Step 2: Convert to fraction form
    10,246.79/15,370.20 = 2,851.27/x
  3. Step 3: Cross multiply
    10,246.79x = 15,370.20 × 2,851.27
  4. Step 4: Simplify right side
    10,246.79x = 43,824,551.73
  5. Step 5: Solve for x
    x = 43,824,551.73/10,246.79
  6. Step 6: Final answer
    x = 4,276.90

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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.