Home / 5,428.59-8,141.25-2,308.56

Finding the Fourth Proportional to 5,428.59, 8,141.25 and 2,308.56

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Solution

The fourth proportional to 5,428.59, 8,141.25 and 2,308.56 is: 3,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.59 : 8,141.25 = 2,308.56 : x
  2. Step 2: Convert to fraction form
    5,428.59/8,141.25 = 2,308.56/x
  3. Step 3: Cross multiply
    5,428.59x = 8,141.25 × 2,308.56
  4. Step 4: Simplify right side
    5,428.59x = 18,794,564.10
  5. Step 5: Solve for x
    x = 18,794,564.10/5,428.59
  6. Step 6: Final answer
    x = 3,462.14

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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.