Home / 7,351.17-10,144.64-3,993.96

Finding the Fourth Proportional to 7,351.17, 10,144.64 and 3,993.96

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Solution

The fourth proportional to 7,351.17, 10,144.64 and 3,993.96 is: 5,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.17 : 10,144.64 = 3,993.96 : x
  2. Step 2: Convert to fraction form
    7,351.17/10,144.64 = 3,993.96/x
  3. Step 3: Cross multiply
    7,351.17x = 10,144.64 × 3,993.96
  4. Step 4: Simplify right side
    7,351.17x = 40,517,266.40
  5. Step 5: Solve for x
    x = 40,517,266.40/7,351.17
  6. Step 6: Final answer
    x = 5,511.68

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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.