Home / 6,727.88-10,085.90-2,621

Finding the Fourth Proportional to 6,727.88, 10,085.90 and 2,621

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Solution

The fourth proportional to 6,727.88, 10,085.90 and 2,621 is: 3,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.88 : 10,085.90 = 2,621 : x
  2. Step 2: Convert to fraction form
    6,727.88/10,085.90 = 2,621/x
  3. Step 3: Cross multiply
    6,727.88x = 10,085.90 × 2,621
  4. Step 4: Simplify right side
    6,727.88x = 26,435,143.90
  5. Step 5: Solve for x
    x = 26,435,143.90/6,727.88
  6. Step 6: Final answer
    x = 3,929.19

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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.