Home / 6,742.86-10,111.05-3,820.38

Finding the Fourth Proportional to 6,742.86, 10,111.05 and 3,820.38

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Solution

The fourth proportional to 6,742.86, 10,111.05 and 3,820.38 is: 5,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.86 : 10,111.05 = 3,820.38 : x
  2. Step 2: Convert to fraction form
    6,742.86/10,111.05 = 3,820.38/x
  3. Step 3: Cross multiply
    6,742.86x = 10,111.05 × 3,820.38
  4. Step 4: Simplify right side
    6,742.86x = 38,628,053.20
  5. Step 5: Solve for x
    x = 38,628,053.20/6,742.86
  6. Step 6: Final answer
    x = 5,728.73

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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.