Home / 5,148.84-7,724.34-2,227.56

Finding the Fourth Proportional to 5,148.84, 7,724.34 and 2,227.56

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Solution

The fourth proportional to 5,148.84, 7,724.34 and 2,227.56 is: 3,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.84 : 7,724.34 = 2,227.56 : x
  2. Step 2: Convert to fraction form
    5,148.84/7,724.34 = 2,227.56/x
  3. Step 3: Cross multiply
    5,148.84x = 7,724.34 × 2,227.56
  4. Step 4: Simplify right side
    5,148.84x = 17,206,430.81
  5. Step 5: Solve for x
    x = 17,206,430.81/5,148.84
  6. Step 6: Final answer
    x = 3,341.81

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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.