Home / 7,943.63-11,914.83-5,162.49

Finding the Fourth Proportional to 7,943.63, 11,914.83 and 5,162.49

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Solution

The fourth proportional to 7,943.63, 11,914.83 and 5,162.49 is: 7,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.63 : 11,914.83 = 5,162.49 : x
  2. Step 2: Convert to fraction form
    7,943.63/11,914.83 = 5,162.49/x
  3. Step 3: Cross multiply
    7,943.63x = 11,914.83 × 5,162.49
  4. Step 4: Simplify right side
    7,943.63x = 61,510,190.73
  5. Step 5: Solve for x
    x = 61,510,190.73/7,943.63
  6. Step 6: Final answer
    x = 7,743.34

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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.