Home / 6,975.87-10,464.09-1,781.88

Finding the Fourth Proportional to 6,975.87, 10,464.09 and 1,781.88

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Solution

The fourth proportional to 6,975.87, 10,464.09 and 1,781.88 is: 2,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.87 : 10,464.09 = 1,781.88 : x
  2. Step 2: Convert to fraction form
    6,975.87/10,464.09 = 1,781.88/x
  3. Step 3: Cross multiply
    6,975.87x = 10,464.09 × 1,781.88
  4. Step 4: Simplify right side
    6,975.87x = 18,645,752.69
  5. Step 5: Solve for x
    x = 18,645,752.69/6,975.87
  6. Step 6: Final answer
    x = 2,672.89

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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.