Home / 7,837.49-11,747.96-2,571.12

Finding the Fourth Proportional to 7,837.49, 11,747.96 and 2,571.12

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Solution

The fourth proportional to 7,837.49, 11,747.96 and 2,571.12 is: 3,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.49 : 11,747.96 = 2,571.12 : x
  2. Step 2: Convert to fraction form
    7,837.49/11,747.96 = 2,571.12/x
  3. Step 3: Cross multiply
    7,837.49x = 11,747.96 × 2,571.12
  4. Step 4: Simplify right side
    7,837.49x = 30,205,465.40
  5. Step 5: Solve for x
    x = 30,205,465.40/7,837.49
  6. Step 6: Final answer
    x = 3,853.97

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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.