Home / 7,350.45-10,143.61-3,993.27

Finding the Fourth Proportional to 7,350.45, 10,143.61 and 3,993.27

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Solution

The fourth proportional to 7,350.45, 10,143.61 and 3,993.27 is: 5,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.45 : 10,143.61 = 3,993.27 : x
  2. Step 2: Convert to fraction form
    7,350.45/10,143.61 = 3,993.27/x
  3. Step 3: Cross multiply
    7,350.45x = 10,143.61 × 3,993.27
  4. Step 4: Simplify right side
    7,350.45x = 40,506,173.50
  5. Step 5: Solve for x
    x = 40,506,173.50/7,350.45
  6. Step 6: Final answer
    x = 5,510.71

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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.