Home / 5,538.02-7,642.26-3,020.09

Finding the Fourth Proportional to 5,538.02, 7,642.26 and 3,020.09

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Solution

The fourth proportional to 5,538.02, 7,642.26 and 3,020.09 is: 4,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.02 : 7,642.26 = 3,020.09 : x
  2. Step 2: Convert to fraction form
    5,538.02/7,642.26 = 3,020.09/x
  3. Step 3: Cross multiply
    5,538.02x = 7,642.26 × 3,020.09
  4. Step 4: Simplify right side
    5,538.02x = 23,080,274.79
  5. Step 5: Solve for x
    x = 23,080,274.79/5,538.02
  6. Step 6: Final answer
    x = 4,167.61

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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.