Home / 4,090.50-5,646.62-2,766

Finding the Fourth Proportional to 4,090.50, 5,646.62 and 2,766

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Solution

The fourth proportional to 4,090.50, 5,646.62 and 2,766 is: 3,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.50 : 5,646.62 = 2,766 : x
  2. Step 2: Convert to fraction form
    4,090.50/5,646.62 = 2,766/x
  3. Step 3: Cross multiply
    4,090.50x = 5,646.62 × 2,766
  4. Step 4: Simplify right side
    4,090.50x = 15,618,550.92
  5. Step 5: Solve for x
    x = 15,618,550.92/4,090.50
  6. Step 6: Final answer
    x = 3,818.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.