Home / 8,694.38-13,036.86-3,069.23

Finding the Fourth Proportional to 8,694.38, 13,036.86 and 3,069.23

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Solution

The fourth proportional to 8,694.38, 13,036.86 and 3,069.23 is: 4,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.38 : 13,036.86 = 3,069.23 : x
  2. Step 2: Convert to fraction form
    8,694.38/13,036.86 = 3,069.23/x
  3. Step 3: Cross multiply
    8,694.38x = 13,036.86 × 3,069.23
  4. Step 4: Simplify right side
    8,694.38x = 40,013,121.82
  5. Step 5: Solve for x
    x = 40,013,121.82/8,694.38
  6. Step 6: Final answer
    x = 4,602.18

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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.