Home / 7,517.96-10,374.91-4,161.05

Finding the Fourth Proportional to 7,517.96, 10,374.91 and 4,161.05

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Solution

The fourth proportional to 7,517.96, 10,374.91 and 4,161.05 is: 5,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.96 : 10,374.91 = 4,161.05 : x
  2. Step 2: Convert to fraction form
    7,517.96/10,374.91 = 4,161.05/x
  3. Step 3: Cross multiply
    7,517.96x = 10,374.91 × 4,161.05
  4. Step 4: Simplify right side
    7,517.96x = 43,170,456.98
  5. Step 5: Solve for x
    x = 43,170,456.98/7,517.96
  6. Step 6: Final answer
    x = 5,742.31

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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.