Home / 5,455.52-8,188.16-3,509.92

Finding the Fourth Proportional to 5,455.52, 8,188.16 and 3,509.92

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Solution

The fourth proportional to 5,455.52, 8,188.16 and 3,509.92 is: 5,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.52 : 8,188.16 = 3,509.92 : x
  2. Step 2: Convert to fraction form
    5,455.52/8,188.16 = 3,509.92/x
  3. Step 3: Cross multiply
    5,455.52x = 8,188.16 × 3,509.92
  4. Step 4: Simplify right side
    5,455.52x = 28,739,786.55
  5. Step 5: Solve for x
    x = 28,739,786.55/5,455.52
  6. Step 6: Final answer
    x = 5,268.02

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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.