Home / 8,785.44-13,178.25-2,942.10

Finding the Fourth Proportional to 8,785.44, 13,178.25 and 2,942.10

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Solution

The fourth proportional to 8,785.44, 13,178.25 and 2,942.10 is: 4,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.44 : 13,178.25 = 2,942.10 : x
  2. Step 2: Convert to fraction form
    8,785.44/13,178.25 = 2,942.10/x
  3. Step 3: Cross multiply
    8,785.44x = 13,178.25 × 2,942.10
  4. Step 4: Simplify right side
    8,785.44x = 38,771,729.33
  5. Step 5: Solve for x
    x = 38,771,729.33/8,785.44
  6. Step 6: Final answer
    x = 4,413.18

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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.