Home / 5,618.52-8,432.64-3,673.08

Finding the Fourth Proportional to 5,618.52, 8,432.64 and 3,673.08

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Solution

The fourth proportional to 5,618.52, 8,432.64 and 3,673.08 is: 5,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.52 : 8,432.64 = 3,673.08 : x
  2. Step 2: Convert to fraction form
    5,618.52/8,432.64 = 3,673.08/x
  3. Step 3: Cross multiply
    5,618.52x = 8,432.64 × 3,673.08
  4. Step 4: Simplify right side
    5,618.52x = 30,973,761.33
  5. Step 5: Solve for x
    x = 30,973,761.33/5,618.52
  6. Step 6: Final answer
    x = 5,512.80

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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.