Home / 6,928.41-9,561.20-3,741.70

Finding the Fourth Proportional to 6,928.41, 9,561.20 and 3,741.70

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Solution

The fourth proportional to 6,928.41, 9,561.20 and 3,741.70 is: 5,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.41 : 9,561.20 = 3,741.70 : x
  2. Step 2: Convert to fraction form
    6,928.41/9,561.20 = 3,741.70/x
  3. Step 3: Cross multiply
    6,928.41x = 9,561.20 × 3,741.70
  4. Step 4: Simplify right side
    6,928.41x = 35,775,174.72
  5. Step 5: Solve for x
    x = 35,775,174.72/6,928.41
  6. Step 6: Final answer
    x = 5,163.55

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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.