Home / 7,175.90-10,751.13-6,125.37

Finding the Fourth Proportional to 7,175.90, 10,751.13 and 6,125.37

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Solution

The fourth proportional to 7,175.90, 10,751.13 and 6,125.37 is: 9,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.90 : 10,751.13 = 6,125.37 : x
  2. Step 2: Convert to fraction form
    7,175.90/10,751.13 = 6,125.37/x
  3. Step 3: Cross multiply
    7,175.90x = 10,751.13 × 6,125.37
  4. Step 4: Simplify right side
    7,175.90x = 65,854,608.85
  5. Step 5: Solve for x
    x = 65,854,608.85/7,175.90
  6. Step 6: Final answer
    x = 9,177.19

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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.