Home / 6,991.68-10,488.06-2,829.72

Finding the Fourth Proportional to 6,991.68, 10,488.06 and 2,829.72

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Solution

The fourth proportional to 6,991.68, 10,488.06 and 2,829.72 is: 4,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.68 : 10,488.06 = 2,829.72 : x
  2. Step 2: Convert to fraction form
    6,991.68/10,488.06 = 2,829.72/x
  3. Step 3: Cross multiply
    6,991.68x = 10,488.06 × 2,829.72
  4. Step 4: Simplify right side
    6,991.68x = 29,678,273.14
  5. Step 5: Solve for x
    x = 29,678,273.14/6,991.68
  6. Step 6: Final answer
    x = 4,244.80

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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.