Home / 7,924.42-11,885.72-2,081.49

Finding the Fourth Proportional to 7,924.42, 11,885.72 and 2,081.49

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Solution

The fourth proportional to 7,924.42, 11,885.72 and 2,081.49 is: 3,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.42 : 11,885.72 = 2,081.49 : x
  2. Step 2: Convert to fraction form
    7,924.42/11,885.72 = 2,081.49/x
  3. Step 3: Cross multiply
    7,924.42x = 11,885.72 × 2,081.49
  4. Step 4: Simplify right side
    7,924.42x = 24,740,007.32
  5. Step 5: Solve for x
    x = 24,740,007.32/7,924.42
  6. Step 6: Final answer
    x = 3,122.00

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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.