Home / 5,731.89-8,600.26-3,131.79

Finding the Fourth Proportional to 5,731.89, 8,600.26 and 3,131.79

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Solution

The fourth proportional to 5,731.89, 8,600.26 and 3,131.79 is: 4,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.89 : 8,600.26 = 3,131.79 : x
  2. Step 2: Convert to fraction form
    5,731.89/8,600.26 = 3,131.79/x
  3. Step 3: Cross multiply
    5,731.89x = 8,600.26 × 3,131.79
  4. Step 4: Simplify right side
    5,731.89x = 26,934,208.27
  5. Step 5: Solve for x
    x = 26,934,208.27/5,731.89
  6. Step 6: Final answer
    x = 4,699.01

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