Home / 7,350.42-10,143.76-3,993.23

Finding the Fourth Proportional to 7,350.42, 10,143.76 and 3,993.23

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Solution

The fourth proportional to 7,350.42, 10,143.76 and 3,993.23 is: 5,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.42 : 10,143.76 = 3,993.23 : x
  2. Step 2: Convert to fraction form
    7,350.42/10,143.76 = 3,993.23/x
  3. Step 3: Cross multiply
    7,350.42x = 10,143.76 × 3,993.23
  4. Step 4: Simplify right side
    7,350.42x = 40,506,366.74
  5. Step 5: Solve for x
    x = 40,506,366.74/7,350.42
  6. Step 6: Final answer
    x = 5,510.76

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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.