Home / 6,910.64-9,536.36-3,926.40

Finding the Fourth Proportional to 6,910.64, 9,536.36 and 3,926.40

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Solution

The fourth proportional to 6,910.64, 9,536.36 and 3,926.40 is: 5,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.64 : 9,536.36 = 3,926.40 : x
  2. Step 2: Convert to fraction form
    6,910.64/9,536.36 = 3,926.40/x
  3. Step 3: Cross multiply
    6,910.64x = 9,536.36 × 3,926.40
  4. Step 4: Simplify right side
    6,910.64x = 37,443,563.90
  5. Step 5: Solve for x
    x = 37,443,563.90/6,910.64
  6. Step 6: Final answer
    x = 5,418.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.