Home / 7,908.39-11,859.21-2,974.59

Finding the Fourth Proportional to 7,908.39, 11,859.21 and 2,974.59

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Solution

The fourth proportional to 7,908.39, 11,859.21 and 2,974.59 is: 4,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.39 : 11,859.21 = 2,974.59 : x
  2. Step 2: Convert to fraction form
    7,908.39/11,859.21 = 2,974.59/x
  3. Step 3: Cross multiply
    7,908.39x = 11,859.21 × 2,974.59
  4. Step 4: Simplify right side
    7,908.39x = 35,276,287.47
  5. Step 5: Solve for x
    x = 35,276,287.47/7,908.39
  6. Step 6: Final answer
    x = 4,460.62

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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.