Home / 6,079.75-8,389.89-3,391.05

Finding the Fourth Proportional to 6,079.75, 8,389.89 and 3,391.05

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Solution

The fourth proportional to 6,079.75, 8,389.89 and 3,391.05 is: 4,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.75 : 8,389.89 = 3,391.05 : x
  2. Step 2: Convert to fraction form
    6,079.75/8,389.89 = 3,391.05/x
  3. Step 3: Cross multiply
    6,079.75x = 8,389.89 × 3,391.05
  4. Step 4: Simplify right side
    6,079.75x = 28,450,511.22
  5. Step 5: Solve for x
    x = 28,450,511.22/6,079.75
  6. Step 6: Final answer
    x = 4,679.55

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1.5x scale

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.