Home / 6,764.38-9,334.71-4,112.65

Finding the Fourth Proportional to 6,764.38, 9,334.71 and 4,112.65

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Solution

The fourth proportional to 6,764.38, 9,334.71 and 4,112.65 is: 5,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.38 : 9,334.71 = 4,112.65 : x
  2. Step 2: Convert to fraction form
    6,764.38/9,334.71 = 4,112.65/x
  3. Step 3: Cross multiply
    6,764.38x = 9,334.71 × 4,112.65
  4. Step 4: Simplify right side
    6,764.38x = 38,390,395.08
  5. Step 5: Solve for x
    x = 38,390,395.08/6,764.38
  6. Step 6: Final answer
    x = 5,675.38

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1.5x scale

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.