Home / 5,578.12-8,361.51-3,499.57

Finding the Fourth Proportional to 5,578.12, 8,361.51 and 3,499.57

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Solution

The fourth proportional to 5,578.12, 8,361.51 and 3,499.57 is: 5,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.12 : 8,361.51 = 3,499.57 : x
  2. Step 2: Convert to fraction form
    5,578.12/8,361.51 = 3,499.57/x
  3. Step 3: Cross multiply
    5,578.12x = 8,361.51 × 3,499.57
  4. Step 4: Simplify right side
    5,578.12x = 29,261,689.55
  5. Step 5: Solve for x
    x = 29,261,689.55/5,578.12
  6. Step 6: Final answer
    x = 5,245.80

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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.