Home / 7,364.20-11,046.30-2,981.80

Finding the Fourth Proportional to 7,364.20, 11,046.30 and 2,981.80

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Solution

The fourth proportional to 7,364.20, 11,046.30 and 2,981.80 is: 4,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.20 : 11,046.30 = 2,981.80 : x
  2. Step 2: Convert to fraction form
    7,364.20/11,046.30 = 2,981.80/x
  3. Step 3: Cross multiply
    7,364.20x = 11,046.30 × 2,981.80
  4. Step 4: Simplify right side
    7,364.20x = 32,937,857.34
  5. Step 5: Solve for x
    x = 32,937,857.34/7,364.20
  6. Step 6: Final answer
    x = 4,472.70

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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.