Home / 7,946.20-11,919.28-3,332.44

Finding the Fourth Proportional to 7,946.20, 11,919.28 and 3,332.44

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Solution

The fourth proportional to 7,946.20, 11,919.28 and 3,332.44 is: 4,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.20 : 11,919.28 = 3,332.44 : x
  2. Step 2: Convert to fraction form
    7,946.20/11,919.28 = 3,332.44/x
  3. Step 3: Cross multiply
    7,946.20x = 11,919.28 × 3,332.44
  4. Step 4: Simplify right side
    7,946.20x = 39,720,285.44
  5. Step 5: Solve for x
    x = 39,720,285.44/7,946.20
  6. Step 6: Final answer
    x = 4,998.65

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1.5x scale

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.