Home / 5,160.60-7,740.90-2,563.74

Finding the Fourth Proportional to 5,160.60, 7,740.90 and 2,563.74

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Solution

The fourth proportional to 5,160.60, 7,740.90 and 2,563.74 is: 3,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.60 : 7,740.90 = 2,563.74 : x
  2. Step 2: Convert to fraction form
    5,160.60/7,740.90 = 2,563.74/x
  3. Step 3: Cross multiply
    5,160.60x = 7,740.90 × 2,563.74
  4. Step 4: Simplify right side
    5,160.60x = 19,845,654.97
  5. Step 5: Solve for x
    x = 19,845,654.97/5,160.60
  6. Step 6: Final answer
    x = 3,845.61

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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.