Home / 6,891.86-10,328.50-3,767.16

Finding the Fourth Proportional to 6,891.86, 10,328.50 and 3,767.16

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Solution

The fourth proportional to 6,891.86, 10,328.50 and 3,767.16 is: 5,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.86 : 10,328.50 = 3,767.16 : x
  2. Step 2: Convert to fraction form
    6,891.86/10,328.50 = 3,767.16/x
  3. Step 3: Cross multiply
    6,891.86x = 10,328.50 × 3,767.16
  4. Step 4: Simplify right side
    6,891.86x = 38,909,112.06
  5. Step 5: Solve for x
    x = 38,909,112.06/6,891.86
  6. Step 6: Final answer
    x = 5,645.66

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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.