Home / 7,924.99-11,888.39-2,081.71

Finding the Fourth Proportional to 7,924.99, 11,888.39 and 2,081.71

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Solution

The fourth proportional to 7,924.99, 11,888.39 and 2,081.71 is: 3,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.99 : 11,888.39 = 2,081.71 : x
  2. Step 2: Convert to fraction form
    7,924.99/11,888.39 = 2,081.71/x
  3. Step 3: Cross multiply
    7,924.99x = 11,888.39 × 2,081.71
  4. Step 4: Simplify right side
    7,924.99x = 24,748,180.35
  5. Step 5: Solve for x
    x = 24,748,180.35/7,924.99
  6. Step 6: Final answer
    x = 3,122.80

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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.