Home / 6,923.41-10,386.48-2,540.91

Finding the Fourth Proportional to 6,923.41, 10,386.48 and 2,540.91

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Solution

The fourth proportional to 6,923.41, 10,386.48 and 2,540.91 is: 3,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.41 : 10,386.48 = 2,540.91 : x
  2. Step 2: Convert to fraction form
    6,923.41/10,386.48 = 2,540.91/x
  3. Step 3: Cross multiply
    6,923.41x = 10,386.48 × 2,540.91
  4. Step 4: Simplify right side
    6,923.41x = 26,391,110.90
  5. Step 5: Solve for x
    x = 26,391,110.90/6,923.41
  6. Step 6: Final answer
    x = 3,811.87

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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.