Home / 6,836.69-10,247.03-3,139.28

Finding the Fourth Proportional to 6,836.69, 10,247.03 and 3,139.28

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Solution

The fourth proportional to 6,836.69, 10,247.03 and 3,139.28 is: 4,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.69 : 10,247.03 = 3,139.28 : x
  2. Step 2: Convert to fraction form
    6,836.69/10,247.03 = 3,139.28/x
  3. Step 3: Cross multiply
    6,836.69x = 10,247.03 × 3,139.28
  4. Step 4: Simplify right side
    6,836.69x = 32,168,229.41
  5. Step 5: Solve for x
    x = 32,168,229.41/6,836.69
  6. Step 6: Final answer
    x = 4,705.24

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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.