Home / 6,869.09-9,479.33-3,725.28

Finding the Fourth Proportional to 6,869.09, 9,479.33 and 3,725.28

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Solution

The fourth proportional to 6,869.09, 9,479.33 and 3,725.28 is: 5,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.09 : 9,479.33 = 3,725.28 : x
  2. Step 2: Convert to fraction form
    6,869.09/9,479.33 = 3,725.28/x
  3. Step 3: Cross multiply
    6,869.09x = 9,479.33 × 3,725.28
  4. Step 4: Simplify right side
    6,869.09x = 35,313,158.46
  5. Step 5: Solve for x
    x = 35,313,158.46/6,869.09
  6. Step 6: Final answer
    x = 5,140.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.