Home / 6,928.26-10,386.09-2,767.38

Finding the Fourth Proportional to 6,928.26, 10,386.09 and 2,767.38

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Solution

The fourth proportional to 6,928.26, 10,386.09 and 2,767.38 is: 4,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.26 : 10,386.09 = 2,767.38 : x
  2. Step 2: Convert to fraction form
    6,928.26/10,386.09 = 2,767.38/x
  3. Step 3: Cross multiply
    6,928.26x = 10,386.09 × 2,767.38
  4. Step 4: Simplify right side
    6,928.26x = 28,742,257.74
  5. Step 5: Solve for x
    x = 28,742,257.74/6,928.26
  6. Step 6: Final answer
    x = 4,148.55

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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.