Home / 5,757.28-8,636.40-2,059.36

Finding the Fourth Proportional to 5,757.28, 8,636.40 and 2,059.36

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Solution

The fourth proportional to 5,757.28, 8,636.40 and 2,059.36 is: 3,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.28 : 8,636.40 = 2,059.36 : x
  2. Step 2: Convert to fraction form
    5,757.28/8,636.40 = 2,059.36/x
  3. Step 3: Cross multiply
    5,757.28x = 8,636.40 × 2,059.36
  4. Step 4: Simplify right side
    5,757.28x = 17,785,456.70
  5. Step 5: Solve for x
    x = 17,785,456.70/5,757.28
  6. Step 6: Final answer
    x = 3,089.21

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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.