Home / 6,461.72-9,694.49-2,079.07

Finding the Fourth Proportional to 6,461.72, 9,694.49 and 2,079.07

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Solution

The fourth proportional to 6,461.72, 9,694.49 and 2,079.07 is: 3,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.72 : 9,694.49 = 2,079.07 : x
  2. Step 2: Convert to fraction form
    6,461.72/9,694.49 = 2,079.07/x
  3. Step 3: Cross multiply
    6,461.72x = 9,694.49 × 2,079.07
  4. Step 4: Simplify right side
    6,461.72x = 20,155,488.69
  5. Step 5: Solve for x
    x = 20,155,488.69/6,461.72
  6. Step 6: Final answer
    x = 3,119.21

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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.