Home / 6,767.12-9,338.60-3,782.96

Finding the Fourth Proportional to 6,767.12, 9,338.60 and 3,782.96

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Solution

The fourth proportional to 6,767.12, 9,338.60 and 3,782.96 is: 5,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.12 : 9,338.60 = 3,782.96 : x
  2. Step 2: Convert to fraction form
    6,767.12/9,338.60 = 3,782.96/x
  3. Step 3: Cross multiply
    6,767.12x = 9,338.60 × 3,782.96
  4. Step 4: Simplify right side
    6,767.12x = 35,327,548.04
  5. Step 5: Solve for x
    x = 35,327,548.04/6,767.12
  6. Step 6: Final answer
    x = 5,220.47

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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.