Home / 5,181.34-7,769.56-2,713.68

Finding the Fourth Proportional to 5,181.34, 7,769.56 and 2,713.68

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Solution

The fourth proportional to 5,181.34, 7,769.56 and 2,713.68 is: 4,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.34 : 7,769.56 = 2,713.68 : x
  2. Step 2: Convert to fraction form
    5,181.34/7,769.56 = 2,713.68/x
  3. Step 3: Cross multiply
    5,181.34x = 7,769.56 × 2,713.68
  4. Step 4: Simplify right side
    5,181.34x = 21,084,099.58
  5. Step 5: Solve for x
    x = 21,084,099.58/5,181.34
  6. Step 6: Final answer
    x = 4,069.24

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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.