Home / 7,914.92-10,922.13-4,377.92

Finding the Fourth Proportional to 7,914.92, 10,922.13 and 4,377.92

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Solution

The fourth proportional to 7,914.92, 10,922.13 and 4,377.92 is: 6,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.92 : 10,922.13 = 4,377.92 : x
  2. Step 2: Convert to fraction form
    7,914.92/10,922.13 = 4,377.92/x
  3. Step 3: Cross multiply
    7,914.92x = 10,922.13 × 4,377.92
  4. Step 4: Simplify right side
    7,914.92x = 47,816,156.76
  5. Step 5: Solve for x
    x = 47,816,156.76/7,914.92
  6. Step 6: Final answer
    x = 6,041.27

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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.