Home / 7,078.46-10,608.51-2,913.75

Finding the Fourth Proportional to 7,078.46, 10,608.51 and 2,913.75

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Solution

The fourth proportional to 7,078.46, 10,608.51 and 2,913.75 is: 4,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.46 : 10,608.51 = 2,913.75 : x
  2. Step 2: Convert to fraction form
    7,078.46/10,608.51 = 2,913.75/x
  3. Step 3: Cross multiply
    7,078.46x = 10,608.51 × 2,913.75
  4. Step 4: Simplify right side
    7,078.46x = 30,910,546.01
  5. Step 5: Solve for x
    x = 30,910,546.01/7,078.46
  6. Step 6: Final answer
    x = 4,366.85

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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.