Home / 7,735.41-11,601.65-2,187.42

Finding the Fourth Proportional to 7,735.41, 11,601.65 and 2,187.42

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Solution

The fourth proportional to 7,735.41, 11,601.65 and 2,187.42 is: 3,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.41 : 11,601.65 = 2,187.42 : x
  2. Step 2: Convert to fraction form
    7,735.41/11,601.65 = 2,187.42/x
  3. Step 3: Cross multiply
    7,735.41x = 11,601.65 × 2,187.42
  4. Step 4: Simplify right side
    7,735.41x = 25,377,626.80
  5. Step 5: Solve for x
    x = 25,377,626.80/7,735.41
  6. Step 6: Final answer
    x = 3,280.71

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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.