Home / 7,167.75-10,754.36-2,785.55

Finding the Fourth Proportional to 7,167.75, 10,754.36 and 2,785.55

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Solution

The fourth proportional to 7,167.75, 10,754.36 and 2,785.55 is: 4,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.75 : 10,754.36 = 2,785.55 : x
  2. Step 2: Convert to fraction form
    7,167.75/10,754.36 = 2,785.55/x
  3. Step 3: Cross multiply
    7,167.75x = 10,754.36 × 2,785.55
  4. Step 4: Simplify right side
    7,167.75x = 29,956,841.35
  5. Step 5: Solve for x
    x = 29,956,841.35/7,167.75
  6. Step 6: Final answer
    x = 4,179.39

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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.