Home / 5,223.20-7,207.26-2,984.72

Finding the Fourth Proportional to 5,223.20, 7,207.26 and 2,984.72

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Solution

The fourth proportional to 5,223.20, 7,207.26 and 2,984.72 is: 4,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.20 : 7,207.26 = 2,984.72 : x
  2. Step 2: Convert to fraction form
    5,223.20/7,207.26 = 2,984.72/x
  3. Step 3: Cross multiply
    5,223.20x = 7,207.26 × 2,984.72
  4. Step 4: Simplify right side
    5,223.20x = 21,511,653.07
  5. Step 5: Solve for x
    x = 21,511,653.07/5,223.20
  6. Step 6: Final answer
    x = 4,118.48

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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.