Home / 4,007.96-5,531-2,239.60

Finding the Fourth Proportional to 4,007.96, 5,531 and 2,239.60

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Solution

The fourth proportional to 4,007.96, 5,531 and 2,239.60 is: 3,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.96 : 5,531 = 2,239.60 : x
  2. Step 2: Convert to fraction form
    4,007.96/5,531 = 2,239.60/x
  3. Step 3: Cross multiply
    4,007.96x = 5,531 × 2,239.60
  4. Step 4: Simplify right side
    4,007.96x = 12,387,227.60
  5. Step 5: Solve for x
    x = 12,387,227.60/4,007.96
  6. Step 6: Final answer
    x = 3,090.66

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1.5x scale

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.