Home / 7,976.32-11,948.64-6,335.68

Finding the Fourth Proportional to 7,976.32, 11,948.64 and 6,335.68

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Solution

The fourth proportional to 7,976.32, 11,948.64 and 6,335.68 is: 9,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.32 : 11,948.64 = 6,335.68 : x
  2. Step 2: Convert to fraction form
    7,976.32/11,948.64 = 6,335.68/x
  3. Step 3: Cross multiply
    7,976.32x = 11,948.64 × 6,335.68
  4. Step 4: Simplify right side
    7,976.32x = 75,702,759.48
  5. Step 5: Solve for x
    x = 75,702,759.48/7,976.32
  6. Step 6: Final answer
    x = 9,490.94

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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.