Home / 7,984.57-11,981.27-3,054.91

Finding the Fourth Proportional to 7,984.57, 11,981.27 and 3,054.91

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Solution

The fourth proportional to 7,984.57, 11,981.27 and 3,054.91 is: 4,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.57 : 11,981.27 = 3,054.91 : x
  2. Step 2: Convert to fraction form
    7,984.57/11,981.27 = 3,054.91/x
  3. Step 3: Cross multiply
    7,984.57x = 11,981.27 × 3,054.91
  4. Step 4: Simplify right side
    7,984.57x = 36,601,701.54
  5. Step 5: Solve for x
    x = 36,601,701.54/7,984.57
  6. Step 6: Final answer
    x = 4,584.05

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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.