Home / 4,170.75-6,250.74-3,122.52

Finding the Fourth Proportional to 4,170.75, 6,250.74 and 3,122.52

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Solution

The fourth proportional to 4,170.75, 6,250.74 and 3,122.52 is: 4,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.75 : 6,250.74 = 3,122.52 : x
  2. Step 2: Convert to fraction form
    4,170.75/6,250.74 = 3,122.52/x
  3. Step 3: Cross multiply
    4,170.75x = 6,250.74 × 3,122.52
  4. Step 4: Simplify right side
    4,170.75x = 19,518,060.66
  5. Step 5: Solve for x
    x = 19,518,060.66/4,170.75
  6. Step 6: Final answer
    x = 4,679.75

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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.