Home / 6,864.66-10,291.79-2,421.14

Finding the Fourth Proportional to 6,864.66, 10,291.79 and 2,421.14

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Solution

The fourth proportional to 6,864.66, 10,291.79 and 2,421.14 is: 3,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.66 : 10,291.79 = 2,421.14 : x
  2. Step 2: Convert to fraction form
    6,864.66/10,291.79 = 2,421.14/x
  3. Step 3: Cross multiply
    6,864.66x = 10,291.79 × 2,421.14
  4. Step 4: Simplify right side
    6,864.66x = 24,917,864.44
  5. Step 5: Solve for x
    x = 24,917,864.44/6,864.66
  6. Step 6: Final answer
    x = 3,629.88

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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.