Home / 6,914.78-10,373.97-1,984.79

Finding the Fourth Proportional to 6,914.78, 10,373.97 and 1,984.79

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Solution

The fourth proportional to 6,914.78, 10,373.97 and 1,984.79 is: 2,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.78 : 10,373.97 = 1,984.79 : x
  2. Step 2: Convert to fraction form
    6,914.78/10,373.97 = 1,984.79/x
  3. Step 3: Cross multiply
    6,914.78x = 10,373.97 × 1,984.79
  4. Step 4: Simplify right side
    6,914.78x = 20,590,151.92
  5. Step 5: Solve for x
    x = 20,590,151.92/6,914.78
  6. Step 6: Final answer
    x = 2,977.70

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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.