Home / 6,078.45-8,387.79-3,560.22

Finding the Fourth Proportional to 6,078.45, 8,387.79 and 3,560.22

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Solution

The fourth proportional to 6,078.45, 8,387.79 and 3,560.22 is: 4,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.45 : 8,387.79 = 3,560.22 : x
  2. Step 2: Convert to fraction form
    6,078.45/8,387.79 = 3,560.22/x
  3. Step 3: Cross multiply
    6,078.45x = 8,387.79 × 3,560.22
  4. Step 4: Simplify right side
    6,078.45x = 29,862,377.71
  5. Step 5: Solve for x
    x = 29,862,377.71/6,078.45
  6. Step 6: Final answer
    x = 4,912.83

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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.