Home / 4,090.68-6,135.78-1,625.85

Finding the Fourth Proportional to 4,090.68, 6,135.78 and 1,625.85

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Solution

The fourth proportional to 4,090.68, 6,135.78 and 1,625.85 is: 2,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.68 : 6,135.78 = 1,625.85 : x
  2. Step 2: Convert to fraction form
    4,090.68/6,135.78 = 1,625.85/x
  3. Step 3: Cross multiply
    4,090.68x = 6,135.78 × 1,625.85
  4. Step 4: Simplify right side
    4,090.68x = 9,975,857.91
  5. Step 5: Solve for x
    x = 9,975,857.91/4,090.68
  6. Step 6: Final answer
    x = 2,438.68

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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.