Home / 7,175.91-10,765.43-3,013.55

Finding the Fourth Proportional to 7,175.91, 10,765.43 and 3,013.55

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Solution

The fourth proportional to 7,175.91, 10,765.43 and 3,013.55 is: 4,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.91 : 10,765.43 = 3,013.55 : x
  2. Step 2: Convert to fraction form
    7,175.91/10,765.43 = 3,013.55/x
  3. Step 3: Cross multiply
    7,175.91x = 10,765.43 × 3,013.55
  4. Step 4: Simplify right side
    7,175.91x = 32,442,115.28
  5. Step 5: Solve for x
    x = 32,442,115.28/7,175.91
  6. Step 6: Final answer
    x = 4,520.98

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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.