Home / 5,621.44-7,757.58-3,137.44

Finding the Fourth Proportional to 5,621.44, 7,757.58 and 3,137.44

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Solution

The fourth proportional to 5,621.44, 7,757.58 and 3,137.44 is: 4,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.44 : 7,757.58 = 3,137.44 : x
  2. Step 2: Convert to fraction form
    5,621.44/7,757.58 = 3,137.44/x
  3. Step 3: Cross multiply
    5,621.44x = 7,757.58 × 3,137.44
  4. Step 4: Simplify right side
    5,621.44x = 24,338,941.80
  5. Step 5: Solve for x
    x = 24,338,941.80/5,621.44
  6. Step 6: Final answer
    x = 4,329.66

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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.