Home / 4,721-6,514.56-2,625.20

Finding the Fourth Proportional to 4,721, 6,514.56 and 2,625.20

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Solution

The fourth proportional to 4,721, 6,514.56 and 2,625.20 is: 3,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721 : 6,514.56 = 2,625.20 : x
  2. Step 2: Convert to fraction form
    4,721/6,514.56 = 2,625.20/x
  3. Step 3: Cross multiply
    4,721x = 6,514.56 × 2,625.20
  4. Step 4: Simplify right side
    4,721x = 17,102,022.91
  5. Step 5: Solve for x
    x = 17,102,022.91/4,721
  6. Step 6: Final answer
    x = 3,622.54

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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.