Home / 8,540.49-12,811.14-2,696.88

Finding the Fourth Proportional to 8,540.49, 12,811.14 and 2,696.88

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Solution

The fourth proportional to 8,540.49, 12,811.14 and 2,696.88 is: 4,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.49 : 12,811.14 = 2,696.88 : x
  2. Step 2: Convert to fraction form
    8,540.49/12,811.14 = 2,696.88/x
  3. Step 3: Cross multiply
    8,540.49x = 12,811.14 × 2,696.88
  4. Step 4: Simplify right side
    8,540.49x = 34,550,107.24
  5. Step 5: Solve for x
    x = 34,550,107.24/8,540.49
  6. Step 6: Final answer
    x = 4,045.45

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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.