Home / 6,889.19-10,328.69-2,206.49

Finding the Fourth Proportional to 6,889.19, 10,328.69 and 2,206.49

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Solution

The fourth proportional to 6,889.19, 10,328.69 and 2,206.49 is: 3,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.19 : 10,328.69 = 2,206.49 : x
  2. Step 2: Convert to fraction form
    6,889.19/10,328.69 = 2,206.49/x
  3. Step 3: Cross multiply
    6,889.19x = 10,328.69 × 2,206.49
  4. Step 4: Simplify right side
    6,889.19x = 22,790,088.52
  5. Step 5: Solve for x
    x = 22,790,088.52/6,889.19
  6. Step 6: Final answer
    x = 3,308.10

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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.