Home / 7,350.58-10,143.68-3,993.45

Finding the Fourth Proportional to 7,350.58, 10,143.68 and 3,993.45

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Solution

The fourth proportional to 7,350.58, 10,143.68 and 3,993.45 is: 5,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.58 : 10,143.68 = 3,993.45 : x
  2. Step 2: Convert to fraction form
    7,350.58/10,143.68 = 3,993.45/x
  3. Step 3: Cross multiply
    7,350.58x = 10,143.68 × 3,993.45
  4. Step 4: Simplify right side
    7,350.58x = 40,508,218.19
  5. Step 5: Solve for x
    x = 40,508,218.19/7,350.58
  6. Step 6: Final answer
    x = 5,510.89

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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.