Home / 5,110.31-7,654.91-2,470.05

Finding the Fourth Proportional to 5,110.31, 7,654.91 and 2,470.05

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Solution

The fourth proportional to 5,110.31, 7,654.91 and 2,470.05 is: 3,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.31 : 7,654.91 = 2,470.05 : x
  2. Step 2: Convert to fraction form
    5,110.31/7,654.91 = 2,470.05/x
  3. Step 3: Cross multiply
    5,110.31x = 7,654.91 × 2,470.05
  4. Step 4: Simplify right side
    5,110.31x = 18,907,998.10
  5. Step 5: Solve for x
    x = 18,907,998.10/5,110.31
  6. Step 6: Final answer
    x = 3,699.97

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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.