Home / 7,956.37-11,925.87-3,998.13

Finding the Fourth Proportional to 7,956.37, 11,925.87 and 3,998.13

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Solution

The fourth proportional to 7,956.37, 11,925.87 and 3,998.13 is: 5,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.37 : 11,925.87 = 3,998.13 : x
  2. Step 2: Convert to fraction form
    7,956.37/11,925.87 = 3,998.13/x
  3. Step 3: Cross multiply
    7,956.37x = 11,925.87 × 3,998.13
  4. Step 4: Simplify right side
    7,956.37x = 47,681,178.62
  5. Step 5: Solve for x
    x = 47,681,178.62/7,956.37
  6. Step 6: Final answer
    x = 5,992.83

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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.