Home / 4,090.86-6,132.65-2,993.72

Finding the Fourth Proportional to 4,090.86, 6,132.65 and 2,993.72

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Solution

The fourth proportional to 4,090.86, 6,132.65 and 2,993.72 is: 4,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.86 : 6,132.65 = 2,993.72 : x
  2. Step 2: Convert to fraction form
    4,090.86/6,132.65 = 2,993.72/x
  3. Step 3: Cross multiply
    4,090.86x = 6,132.65 × 2,993.72
  4. Step 4: Simplify right side
    4,090.86x = 18,359,391.33
  5. Step 5: Solve for x
    x = 18,359,391.33/4,090.86
  6. Step 6: Final answer
    x = 4,487.91

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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.