Home / 7,182.27-9,912.38-4,037.85

Finding the Fourth Proportional to 7,182.27, 9,912.38 and 4,037.85

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Solution

The fourth proportional to 7,182.27, 9,912.38 and 4,037.85 is: 5,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.27 : 9,912.38 = 4,037.85 : x
  2. Step 2: Convert to fraction form
    7,182.27/9,912.38 = 4,037.85/x
  3. Step 3: Cross multiply
    7,182.27x = 9,912.38 × 4,037.85
  4. Step 4: Simplify right side
    7,182.27x = 40,024,683.39
  5. Step 5: Solve for x
    x = 40,024,683.39/7,182.27
  6. Step 6: Final answer
    x = 5,572.71

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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.