Home / 7,350.66-10,144.02-3,993.54

Finding the Fourth Proportional to 7,350.66, 10,144.02 and 3,993.54

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Solution

The fourth proportional to 7,350.66, 10,144.02 and 3,993.54 is: 5,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.66 : 10,144.02 = 3,993.54 : x
  2. Step 2: Convert to fraction form
    7,350.66/10,144.02 = 3,993.54/x
  3. Step 3: Cross multiply
    7,350.66x = 10,144.02 × 3,993.54
  4. Step 4: Simplify right side
    7,350.66x = 40,510,549.63
  5. Step 5: Solve for x
    x = 40,510,549.63/7,350.66
  6. Step 6: Final answer
    x = 5,511.14

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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.