Home / 7,932.62-10,917.88-6,800.84

Finding the Fourth Proportional to 7,932.62, 10,917.88 and 6,800.84

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Solution

The fourth proportional to 7,932.62, 10,917.88 and 6,800.84 is: 9,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.62 : 10,917.88 = 6,800.84 : x
  2. Step 2: Convert to fraction form
    7,932.62/10,917.88 = 6,800.84/x
  3. Step 3: Cross multiply
    7,932.62x = 10,917.88 × 6,800.84
  4. Step 4: Simplify right side
    7,932.62x = 74,250,765.31
  5. Step 5: Solve for x
    x = 74,250,765.31/7,932.62
  6. Step 6: Final answer
    x = 9,360.19

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1.5x scale

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.