Home / 7,922.14-10,932.39-4,385.14

Finding the Fourth Proportional to 7,922.14, 10,932.39 and 4,385.14

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Solution

The fourth proportional to 7,922.14, 10,932.39 and 4,385.14 is: 6,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.14 : 10,932.39 = 4,385.14 : x
  2. Step 2: Convert to fraction form
    7,922.14/10,932.39 = 4,385.14/x
  3. Step 3: Cross multiply
    7,922.14x = 10,932.39 × 4,385.14
  4. Step 4: Simplify right side
    7,922.14x = 47,940,060.68
  5. Step 5: Solve for x
    x = 47,940,060.68/7,922.14
  6. Step 6: Final answer
    x = 6,051.40

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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.