Home / 5,774.11-7,968.33-3,121.57

Finding the Fourth Proportional to 5,774.11, 7,968.33 and 3,121.57

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Solution

The fourth proportional to 5,774.11, 7,968.33 and 3,121.57 is: 4,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.11 : 7,968.33 = 3,121.57 : x
  2. Step 2: Convert to fraction form
    5,774.11/7,968.33 = 3,121.57/x
  3. Step 3: Cross multiply
    5,774.11x = 7,968.33 × 3,121.57
  4. Step 4: Simplify right side
    5,774.11x = 24,873,644.43
  5. Step 5: Solve for x
    x = 24,873,644.43/5,774.11
  6. Step 6: Final answer
    x = 4,307.79

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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.