Home / 7,171.86-10,755.48-6,705.42

Finding the Fourth Proportional to 7,171.86, 10,755.48 and 6,705.42

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Solution

The fourth proportional to 7,171.86, 10,755.48 and 6,705.42 is: 10,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.86 : 10,755.48 = 6,705.42 : x
  2. Step 2: Convert to fraction form
    7,171.86/10,755.48 = 6,705.42/x
  3. Step 3: Cross multiply
    7,171.86x = 10,755.48 × 6,705.42
  4. Step 4: Simplify right side
    7,171.86x = 72,120,010.70
  5. Step 5: Solve for x
    x = 72,120,010.70/7,171.86
  6. Step 6: Final answer
    x = 10,055.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.