Home / 6,979.28-10,467.30-2,047.60

Finding the Fourth Proportional to 6,979.28, 10,467.30 and 2,047.60

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Solution

The fourth proportional to 6,979.28, 10,467.30 and 2,047.60 is: 3,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.28 : 10,467.30 = 2,047.60 : x
  2. Step 2: Convert to fraction form
    6,979.28/10,467.30 = 2,047.60/x
  3. Step 3: Cross multiply
    6,979.28x = 10,467.30 × 2,047.60
  4. Step 4: Simplify right side
    6,979.28x = 21,432,791.14
  5. Step 5: Solve for x
    x = 21,432,791.14/6,979.28
  6. Step 6: Final answer
    x = 3,070.92

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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.