Home / 6,767.90-9,340.57-3,783.92

Finding the Fourth Proportional to 6,767.90, 9,340.57 and 3,783.92

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Solution

The fourth proportional to 6,767.90, 9,340.57 and 3,783.92 is: 5,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.90 : 9,340.57 = 3,783.92 : x
  2. Step 2: Convert to fraction form
    6,767.90/9,340.57 = 3,783.92/x
  3. Step 3: Cross multiply
    6,767.90x = 9,340.57 × 3,783.92
  4. Step 4: Simplify right side
    6,767.90x = 35,343,906.38
  5. Step 5: Solve for x
    x = 35,343,906.38/6,767.90
  6. Step 6: Final answer
    x = 5,222.28

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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.