Home / 7,899.41-11,850.33-2,969.40

Finding the Fourth Proportional to 7,899.41, 11,850.33 and 2,969.40

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Solution

The fourth proportional to 7,899.41, 11,850.33 and 2,969.40 is: 4,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.41 : 11,850.33 = 2,969.40 : x
  2. Step 2: Convert to fraction form
    7,899.41/11,850.33 = 2,969.40/x
  3. Step 3: Cross multiply
    7,899.41x = 11,850.33 × 2,969.40
  4. Step 4: Simplify right side
    7,899.41x = 35,188,325.46
  5. Step 5: Solve for x
    x = 35,188,325.46/7,899.41
  6. Step 6: Final answer
    x = 4,454.55

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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.