Home / 6,718.22-10,076.40-1,788.26

Finding the Fourth Proportional to 6,718.22, 10,076.40 and 1,788.26

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Solution

The fourth proportional to 6,718.22, 10,076.40 and 1,788.26 is: 2,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.22 : 10,076.40 = 1,788.26 : x
  2. Step 2: Convert to fraction form
    6,718.22/10,076.40 = 1,788.26/x
  3. Step 3: Cross multiply
    6,718.22x = 10,076.40 × 1,788.26
  4. Step 4: Simplify right side
    6,718.22x = 18,019,223.06
  5. Step 5: Solve for x
    x = 18,019,223.06/6,718.22
  6. Step 6: Final answer
    x = 2,682.14

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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.