Home / 6,975.90-10,464.39-1,781.73

Finding the Fourth Proportional to 6,975.90, 10,464.39 and 1,781.73

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Solution

The fourth proportional to 6,975.90, 10,464.39 and 1,781.73 is: 2,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.90 : 10,464.39 = 1,781.73 : x
  2. Step 2: Convert to fraction form
    6,975.90/10,464.39 = 1,781.73/x
  3. Step 3: Cross multiply
    6,975.90x = 10,464.39 × 1,781.73
  4. Step 4: Simplify right side
    6,975.90x = 18,644,717.59
  5. Step 5: Solve for x
    x = 18,644,717.59/6,975.90
  6. Step 6: Final answer
    x = 2,672.73

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1.5x scale

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.