Home / 5,576.19-8,365.37-2,115.87

Finding the Fourth Proportional to 5,576.19, 8,365.37 and 2,115.87

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Solution

The fourth proportional to 5,576.19, 8,365.37 and 2,115.87 is: 3,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.19 : 8,365.37 = 2,115.87 : x
  2. Step 2: Convert to fraction form
    5,576.19/8,365.37 = 2,115.87/x
  3. Step 3: Cross multiply
    5,576.19x = 8,365.37 × 2,115.87
  4. Step 4: Simplify right side
    5,576.19x = 17,700,024.84
  5. Step 5: Solve for x
    x = 17,700,024.84/5,576.19
  6. Step 6: Final answer
    x = 3,174.21

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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.