Home / 6,079.94-8,390.29-3,391.15

Finding the Fourth Proportional to 6,079.94, 8,390.29 and 3,391.15

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Solution

The fourth proportional to 6,079.94, 8,390.29 and 3,391.15 is: 4,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.94 : 8,390.29 = 3,391.15 : x
  2. Step 2: Convert to fraction form
    6,079.94/8,390.29 = 3,391.15/x
  3. Step 3: Cross multiply
    6,079.94x = 8,390.29 × 3,391.15
  4. Step 4: Simplify right side
    6,079.94x = 28,452,762.35
  5. Step 5: Solve for x
    x = 28,452,762.35/6,079.94
  6. Step 6: Final answer
    x = 4,679.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.