Home / 4,078.10-6,115.52-2,517.64

Finding the Fourth Proportional to 4,078.10, 6,115.52 and 2,517.64

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Solution

The fourth proportional to 4,078.10, 6,115.52 and 2,517.64 is: 3,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.10 : 6,115.52 = 2,517.64 : x
  2. Step 2: Convert to fraction form
    4,078.10/6,115.52 = 2,517.64/x
  3. Step 3: Cross multiply
    4,078.10x = 6,115.52 × 2,517.64
  4. Step 4: Simplify right side
    4,078.10x = 15,396,677.77
  5. Step 5: Solve for x
    x = 15,396,677.77/4,078.10
  6. Step 6: Final answer
    x = 3,775.45

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1.5x scale

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.