Home / 5,987.12-8,262.40-3,469.64

Finding the Fourth Proportional to 5,987.12, 8,262.40 and 3,469.64

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Solution

The fourth proportional to 5,987.12, 8,262.40 and 3,469.64 is: 4,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.12 : 8,262.40 = 3,469.64 : x
  2. Step 2: Convert to fraction form
    5,987.12/8,262.40 = 3,469.64/x
  3. Step 3: Cross multiply
    5,987.12x = 8,262.40 × 3,469.64
  4. Step 4: Simplify right side
    5,987.12x = 28,667,553.54
  5. Step 5: Solve for x
    x = 28,667,553.54/5,987.12
  6. Step 6: Final answer
    x = 4,788.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.