Home / 5,168.54-7,753.13-1,705.79

Finding the Fourth Proportional to 5,168.54, 7,753.13 and 1,705.79

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Solution

The fourth proportional to 5,168.54, 7,753.13 and 1,705.79 is: 2,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.54 : 7,753.13 = 1,705.79 : x
  2. Step 2: Convert to fraction form
    5,168.54/7,753.13 = 1,705.79/x
  3. Step 3: Cross multiply
    5,168.54x = 7,753.13 × 1,705.79
  4. Step 4: Simplify right side
    5,168.54x = 13,225,164.33
  5. Step 5: Solve for x
    x = 13,225,164.33/5,168.54
  6. Step 6: Final answer
    x = 2,558.78

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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.