Home / 5,625-7,766.82-4,452.12

Finding the Fourth Proportional to 5,625, 7,766.82 and 4,452.12

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Solution

The fourth proportional to 5,625, 7,766.82 and 4,452.12 is: 6,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625 : 7,766.82 = 4,452.12 : x
  2. Step 2: Convert to fraction form
    5,625/7,766.82 = 4,452.12/x
  3. Step 3: Cross multiply
    5,625x = 7,766.82 × 4,452.12
  4. Step 4: Simplify right side
    5,625x = 34,578,814.66
  5. Step 5: Solve for x
    x = 34,578,814.66/5,625
  6. Step 6: Final answer
    x = 6,147.34

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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.