Home / 6,867.91-10,298.19-2,186.65

Finding the Fourth Proportional to 6,867.91, 10,298.19 and 2,186.65

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Solution

The fourth proportional to 6,867.91, 10,298.19 and 2,186.65 is: 3,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.91 : 10,298.19 = 2,186.65 : x
  2. Step 2: Convert to fraction form
    6,867.91/10,298.19 = 2,186.65/x
  3. Step 3: Cross multiply
    6,867.91x = 10,298.19 × 2,186.65
  4. Step 4: Simplify right side
    6,867.91x = 22,518,537.16
  5. Step 5: Solve for x
    x = 22,518,537.16/6,867.91
  6. Step 6: Final answer
    x = 3,278.80

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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.