Home / 5,119.34-7,708.77-4,342.04

Finding the Fourth Proportional to 5,119.34, 7,708.77 and 4,342.04

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Solution

The fourth proportional to 5,119.34, 7,708.77 and 4,342.04 is: 6,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.34 : 7,708.77 = 4,342.04 : x
  2. Step 2: Convert to fraction form
    5,119.34/7,708.77 = 4,342.04/x
  3. Step 3: Cross multiply
    5,119.34x = 7,708.77 × 4,342.04
  4. Step 4: Simplify right side
    5,119.34x = 33,471,749.15
  5. Step 5: Solve for x
    x = 33,471,749.15/5,119.34
  6. Step 6: Final answer
    x = 6,538.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.