Home / 9,391.41-14,084.35-2,815.83

Finding the Fourth Proportional to 9,391.41, 14,084.35 and 2,815.83

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Solution

The fourth proportional to 9,391.41, 14,084.35 and 2,815.83 is: 4,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391.41 : 14,084.35 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    9,391.41/14,084.35 = 2,815.83/x
  3. Step 3: Cross multiply
    9,391.41x = 14,084.35 × 2,815.83
  4. Step 4: Simplify right side
    9,391.41x = 39,659,128.22
  5. Step 5: Solve for x
    x = 39,659,128.22/9,391.41
  6. Step 6: Final answer
    x = 4,222.92

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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.