Home / 5,538.81-8,287.56-3,349.11

Finding the Fourth Proportional to 5,538.81, 8,287.56 and 3,349.11

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Solution

The fourth proportional to 5,538.81, 8,287.56 and 3,349.11 is: 5,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.81 : 8,287.56 = 3,349.11 : x
  2. Step 2: Convert to fraction form
    5,538.81/8,287.56 = 3,349.11/x
  3. Step 3: Cross multiply
    5,538.81x = 8,287.56 × 3,349.11
  4. Step 4: Simplify right side
    5,538.81x = 27,755,950.07
  5. Step 5: Solve for x
    x = 27,755,950.07/5,538.81
  6. Step 6: Final answer
    x = 5,011.18

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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.