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Finding the Fourth Proportional to 5,879.52, 8,801.28 and 3,680.64

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Solution

The fourth proportional to 5,879.52, 8,801.28 and 3,680.64 is: 5,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.52 : 8,801.28 = 3,680.64 : x
  2. Step 2: Convert to fraction form
    5,879.52/8,801.28 = 3,680.64/x
  3. Step 3: Cross multiply
    5,879.52x = 8,801.28 × 3,680.64
  4. Step 4: Simplify right side
    5,879.52x = 32,394,343.22
  5. Step 5: Solve for x
    x = 32,394,343.22/5,879.52
  6. Step 6: Final answer
    x = 5,509.69

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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.