Home / 6,418.83-9,626.31-2,721

Finding the Fourth Proportional to 6,418.83, 9,626.31 and 2,721

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Solution

The fourth proportional to 6,418.83, 9,626.31 and 2,721 is: 4,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.83 : 9,626.31 = 2,721 : x
  2. Step 2: Convert to fraction form
    6,418.83/9,626.31 = 2,721/x
  3. Step 3: Cross multiply
    6,418.83x = 9,626.31 × 2,721
  4. Step 4: Simplify right side
    6,418.83x = 26,193,189.51
  5. Step 5: Solve for x
    x = 26,193,189.51/6,418.83
  6. Step 6: Final answer
    x = 4,080.68

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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.