Home / 7,350.72-10,144.02-3,993.55

Finding the Fourth Proportional to 7,350.72, 10,144.02 and 3,993.55

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Solution

The fourth proportional to 7,350.72, 10,144.02 and 3,993.55 is: 5,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.72 : 10,144.02 = 3,993.55 : x
  2. Step 2: Convert to fraction form
    7,350.72/10,144.02 = 3,993.55/x
  3. Step 3: Cross multiply
    7,350.72x = 10,144.02 × 3,993.55
  4. Step 4: Simplify right side
    7,350.72x = 40,510,651.07
  5. Step 5: Solve for x
    x = 40,510,651.07/7,350.72
  6. Step 6: Final answer
    x = 5,511.11

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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.