Home / 4,003.12-5,992.12-2,907.20

Finding the Fourth Proportional to 4,003.12, 5,992.12 and 2,907.20

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Solution

The fourth proportional to 4,003.12, 5,992.12 and 2,907.20 is: 4,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.12 : 5,992.12 = 2,907.20 : x
  2. Step 2: Convert to fraction form
    4,003.12/5,992.12 = 2,907.20/x
  3. Step 3: Cross multiply
    4,003.12x = 5,992.12 × 2,907.20
  4. Step 4: Simplify right side
    4,003.12x = 17,420,291.26
  5. Step 5: Solve for x
    x = 17,420,291.26/4,003.12
  6. Step 6: Final answer
    x = 4,351.68

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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.