Home / 6,979.68-10,469.88-2,762.96

Finding the Fourth Proportional to 6,979.68, 10,469.88 and 2,762.96

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Solution

The fourth proportional to 6,979.68, 10,469.88 and 2,762.96 is: 4,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.68 : 10,469.88 = 2,762.96 : x
  2. Step 2: Convert to fraction form
    6,979.68/10,469.88 = 2,762.96/x
  3. Step 3: Cross multiply
    6,979.68x = 10,469.88 × 2,762.96
  4. Step 4: Simplify right side
    6,979.68x = 28,927,807.30
  5. Step 5: Solve for x
    x = 28,927,807.30/6,979.68
  6. Step 6: Final answer
    x = 4,144.58

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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.