Home / 6,920.88-10,381.32-2,536.68

Finding the Fourth Proportional to 6,920.88, 10,381.32 and 2,536.68

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Solution

The fourth proportional to 6,920.88, 10,381.32 and 2,536.68 is: 3,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.88 : 10,381.32 = 2,536.68 : x
  2. Step 2: Convert to fraction form
    6,920.88/10,381.32 = 2,536.68/x
  3. Step 3: Cross multiply
    6,920.88x = 10,381.32 × 2,536.68
  4. Step 4: Simplify right side
    6,920.88x = 26,334,086.82
  5. Step 5: Solve for x
    x = 26,334,086.82/6,920.88
  6. Step 6: Final answer
    x = 3,805.02

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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.