Home / 5,192.81-7,781.70-2,227.13

Finding the Fourth Proportional to 5,192.81, 7,781.70 and 2,227.13

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Solution

The fourth proportional to 5,192.81, 7,781.70 and 2,227.13 is: 3,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.81 : 7,781.70 = 2,227.13 : x
  2. Step 2: Convert to fraction form
    5,192.81/7,781.70 = 2,227.13/x
  3. Step 3: Cross multiply
    5,192.81x = 7,781.70 × 2,227.13
  4. Step 4: Simplify right side
    5,192.81x = 17,330,856.15
  5. Step 5: Solve for x
    x = 17,330,856.15/5,192.81
  6. Step 6: Final answer
    x = 3,337.47

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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.