Home / 6,981.51-9,634.52-3,837.90

Finding the Fourth Proportional to 6,981.51, 9,634.52 and 3,837.90

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Solution

The fourth proportional to 6,981.51, 9,634.52 and 3,837.90 is: 5,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.51 : 9,634.52 = 3,837.90 : x
  2. Step 2: Convert to fraction form
    6,981.51/9,634.52 = 3,837.90/x
  3. Step 3: Cross multiply
    6,981.51x = 9,634.52 × 3,837.90
  4. Step 4: Simplify right side
    6,981.51x = 36,976,305.12
  5. Step 5: Solve for x
    x = 36,976,305.12/6,981.51
  6. Step 6: Final answer
    x = 5,296.32

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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.