Home / 5,331.22-7,999.63-3,781.22

Finding the Fourth Proportional to 5,331.22, 7,999.63 and 3,781.22

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Solution

The fourth proportional to 5,331.22, 7,999.63 and 3,781.22 is: 5,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.22 : 7,999.63 = 3,781.22 : x
  2. Step 2: Convert to fraction form
    5,331.22/7,999.63 = 3,781.22/x
  3. Step 3: Cross multiply
    5,331.22x = 7,999.63 × 3,781.22
  4. Step 4: Simplify right side
    5,331.22x = 30,248,311.50
  5. Step 5: Solve for x
    x = 30,248,311.50/5,331.22
  6. Step 6: Final answer
    x = 5,673.81

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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.