Home / 6,151.78-9,229.47-2,639.94

Finding the Fourth Proportional to 6,151.78, 9,229.47 and 2,639.94

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Solution

The fourth proportional to 6,151.78, 9,229.47 and 2,639.94 is: 3,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.78 : 9,229.47 = 2,639.94 : x
  2. Step 2: Convert to fraction form
    6,151.78/9,229.47 = 2,639.94/x
  3. Step 3: Cross multiply
    6,151.78x = 9,229.47 × 2,639.94
  4. Step 4: Simplify right side
    6,151.78x = 24,365,247.03
  5. Step 5: Solve for x
    x = 24,365,247.03/6,151.78
  6. Step 6: Final answer
    x = 3,960.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.