Home / 5,615.78-8,425.49-2,694.31

Finding the Fourth Proportional to 5,615.78, 8,425.49 and 2,694.31

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Solution

The fourth proportional to 5,615.78, 8,425.49 and 2,694.31 is: 4,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.78 : 8,425.49 = 2,694.31 : x
  2. Step 2: Convert to fraction form
    5,615.78/8,425.49 = 2,694.31/x
  3. Step 3: Cross multiply
    5,615.78x = 8,425.49 × 2,694.31
  4. Step 4: Simplify right side
    5,615.78x = 22,700,881.96
  5. Step 5: Solve for x
    x = 22,700,881.96/5,615.78
  6. Step 6: Final answer
    x = 4,042.34

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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.