Home / 6,975.91-10,463.87-1,781.79

Finding the Fourth Proportional to 6,975.91, 10,463.87 and 1,781.79

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Solution

The fourth proportional to 6,975.91, 10,463.87 and 1,781.79 is: 2,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.91 : 10,463.87 = 1,781.79 : x
  2. Step 2: Convert to fraction form
    6,975.91/10,463.87 = 1,781.79/x
  3. Step 3: Cross multiply
    6,975.91x = 10,463.87 × 1,781.79
  4. Step 4: Simplify right side
    6,975.91x = 18,644,418.93
  5. Step 5: Solve for x
    x = 18,644,418.93/6,975.91
  6. Step 6: Final answer
    x = 2,672.69

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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.