Home / 7,350.54-10,144.23-4,163.79

Finding the Fourth Proportional to 7,350.54, 10,144.23 and 4,163.79

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Solution

The fourth proportional to 7,350.54, 10,144.23 and 4,163.79 is: 5,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.54 : 10,144.23 = 4,163.79 : x
  2. Step 2: Convert to fraction form
    7,350.54/10,144.23 = 4,163.79/x
  3. Step 3: Cross multiply
    7,350.54x = 10,144.23 × 4,163.79
  4. Step 4: Simplify right side
    7,350.54x = 42,238,443.43
  5. Step 5: Solve for x
    x = 42,238,443.43/7,350.54
  6. Step 6: Final answer
    x = 5,746.30

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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.