Home / 7,987.46-11,958.62-4,230.68

Finding the Fourth Proportional to 7,987.46, 11,958.62 and 4,230.68

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Solution

The fourth proportional to 7,987.46, 11,958.62 and 4,230.68 is: 6,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.46 : 11,958.62 = 4,230.68 : x
  2. Step 2: Convert to fraction form
    7,987.46/11,958.62 = 4,230.68/x
  3. Step 3: Cross multiply
    7,987.46x = 11,958.62 × 4,230.68
  4. Step 4: Simplify right side
    7,987.46x = 50,593,013.52
  5. Step 5: Solve for x
    x = 50,593,013.52/7,987.46
  6. Step 6: Final answer
    x = 6,334.06

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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.