Home / 5,175.39-7,143.75-3,050.85

Finding the Fourth Proportional to 5,175.39, 7,143.75 and 3,050.85

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Solution

The fourth proportional to 5,175.39, 7,143.75 and 3,050.85 is: 4,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.39 : 7,143.75 = 3,050.85 : x
  2. Step 2: Convert to fraction form
    5,175.39/7,143.75 = 3,050.85/x
  3. Step 3: Cross multiply
    5,175.39x = 7,143.75 × 3,050.85
  4. Step 4: Simplify right side
    5,175.39x = 21,794,509.69
  5. Step 5: Solve for x
    x = 21,794,509.69/5,175.39
  6. Step 6: Final answer
    x = 4,211.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.