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Finding the Fourth Proportional to 5,576.55, 8,367.55 and 3,943.59

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Solution

The fourth proportional to 5,576.55, 8,367.55 and 3,943.59 is: 5,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.55 : 8,367.55 = 3,943.59 : x
  2. Step 2: Convert to fraction form
    5,576.55/8,367.55 = 3,943.59/x
  3. Step 3: Cross multiply
    5,576.55x = 8,367.55 × 3,943.59
  4. Step 4: Simplify right side
    5,576.55x = 32,998,176.65
  5. Step 5: Solve for x
    x = 32,998,176.65/5,576.55
  6. Step 6: Final answer
    x = 5,917.31

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1.5x scale

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.