Home / 6,929.78-10,395.69-2,546.89

Finding the Fourth Proportional to 6,929.78, 10,395.69 and 2,546.89

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Solution

The fourth proportional to 6,929.78, 10,395.69 and 2,546.89 is: 3,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.78 : 10,395.69 = 2,546.89 : x
  2. Step 2: Convert to fraction form
    6,929.78/10,395.69 = 2,546.89/x
  3. Step 3: Cross multiply
    6,929.78x = 10,395.69 × 2,546.89
  4. Step 4: Simplify right side
    6,929.78x = 26,476,678.90
  5. Step 5: Solve for x
    x = 26,476,678.90/6,929.78
  6. Step 6: Final answer
    x = 3,820.71

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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.