Home / 5,717.15-8,576.03-1,821.25

Finding the Fourth Proportional to 5,717.15, 8,576.03 and 1,821.25

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Solution

The fourth proportional to 5,717.15, 8,576.03 and 1,821.25 is: 2,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.15 : 8,576.03 = 1,821.25 : x
  2. Step 2: Convert to fraction form
    5,717.15/8,576.03 = 1,821.25/x
  3. Step 3: Cross multiply
    5,717.15x = 8,576.03 × 1,821.25
  4. Step 4: Simplify right side
    5,717.15x = 15,619,094.64
  5. Step 5: Solve for x
    x = 15,619,094.64/5,717.15
  6. Step 6: Final answer
    x = 2,731.97

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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.