Home / 4,079.54-6,119.10-1,268.34

Finding the Fourth Proportional to 4,079.54, 6,119.10 and 1,268.34

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Solution

The fourth proportional to 4,079.54, 6,119.10 and 1,268.34 is: 1,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.54 : 6,119.10 = 1,268.34 : x
  2. Step 2: Convert to fraction form
    4,079.54/6,119.10 = 1,268.34/x
  3. Step 3: Cross multiply
    4,079.54x = 6,119.10 × 1,268.34
  4. Step 4: Simplify right side
    4,079.54x = 7,761,099.29
  5. Step 5: Solve for x
    x = 7,761,099.29/4,079.54
  6. Step 6: Final answer
    x = 1,902.45

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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.