Home / 7,946.60-11,891.55-6,917.90

Finding the Fourth Proportional to 7,946.60, 11,891.55 and 6,917.90

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Solution

The fourth proportional to 7,946.60, 11,891.55 and 6,917.90 is: 10,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.60 : 11,891.55 = 6,917.90 : x
  2. Step 2: Convert to fraction form
    7,946.60/11,891.55 = 6,917.90/x
  3. Step 3: Cross multiply
    7,946.60x = 11,891.55 × 6,917.90
  4. Step 4: Simplify right side
    7,946.60x = 82,264,553.75
  5. Step 5: Solve for x
    x = 82,264,553.75/7,946.60
  6. Step 6: Final answer
    x = 10,352.17

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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.