Home / 5,415.41-7,473.06-3,399.92

Finding the Fourth Proportional to 5,415.41, 7,473.06 and 3,399.92

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Solution

The fourth proportional to 5,415.41, 7,473.06 and 3,399.92 is: 4,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.41 : 7,473.06 = 3,399.92 : x
  2. Step 2: Convert to fraction form
    5,415.41/7,473.06 = 3,399.92/x
  3. Step 3: Cross multiply
    5,415.41x = 7,473.06 × 3,399.92
  4. Step 4: Simplify right side
    5,415.41x = 25,407,751.79
  5. Step 5: Solve for x
    x = 25,407,751.79/5,415.41
  6. Step 6: Final answer
    x = 4,691.75

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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.