Home / 6,769.12-9,341.78-3,784.88

Finding the Fourth Proportional to 6,769.12, 9,341.78 and 3,784.88

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Solution

The fourth proportional to 6,769.12, 9,341.78 and 3,784.88 is: 5,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.12 : 9,341.78 = 3,784.88 : x
  2. Step 2: Convert to fraction form
    6,769.12/9,341.78 = 3,784.88/x
  3. Step 3: Cross multiply
    6,769.12x = 9,341.78 × 3,784.88
  4. Step 4: Simplify right side
    6,769.12x = 35,357,450.65
  5. Step 5: Solve for x
    x = 35,357,450.65/6,769.12
  6. Step 6: Final answer
    x = 5,223.35

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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.