Home / 5,107.52-7,654.14-2,762.46

Finding the Fourth Proportional to 5,107.52, 7,654.14 and 2,762.46

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Solution

The fourth proportional to 5,107.52, 7,654.14 and 2,762.46 is: 4,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.52 : 7,654.14 = 2,762.46 : x
  2. Step 2: Convert to fraction form
    5,107.52/7,654.14 = 2,762.46/x
  3. Step 3: Cross multiply
    5,107.52x = 7,654.14 × 2,762.46
  4. Step 4: Simplify right side
    5,107.52x = 21,144,255.58
  5. Step 5: Solve for x
    x = 21,144,255.58/5,107.52
  6. Step 6: Final answer
    x = 4,139.83

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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.