Home / 5,222.70-7,207.24-2,984.54

Finding the Fourth Proportional to 5,222.70, 7,207.24 and 2,984.54

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Solution

The fourth proportional to 5,222.70, 7,207.24 and 2,984.54 is: 4,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.70 : 7,207.24 = 2,984.54 : x
  2. Step 2: Convert to fraction form
    5,222.70/7,207.24 = 2,984.54/x
  3. Step 3: Cross multiply
    5,222.70x = 7,207.24 × 2,984.54
  4. Step 4: Simplify right side
    5,222.70x = 21,510,296.07
  5. Step 5: Solve for x
    x = 21,510,296.07/5,222.70
  6. Step 6: Final answer
    x = 4,118.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.