Home / 6,864.78-10,297.79-1,934.48

Finding the Fourth Proportional to 6,864.78, 10,297.79 and 1,934.48

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Solution

The fourth proportional to 6,864.78, 10,297.79 and 1,934.48 is: 2,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.78 : 10,297.79 = 1,934.48 : x
  2. Step 2: Convert to fraction form
    6,864.78/10,297.79 = 1,934.48/x
  3. Step 3: Cross multiply
    6,864.78x = 10,297.79 × 1,934.48
  4. Step 4: Simplify right side
    6,864.78x = 19,920,807.64
  5. Step 5: Solve for x
    x = 19,920,807.64/6,864.78
  6. Step 6: Final answer
    x = 2,901.89

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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.