Home / 7,127.43-10,691.12-1,933.31

Finding the Fourth Proportional to 7,127.43, 10,691.12 and 1,933.31

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Solution

The fourth proportional to 7,127.43, 10,691.12 and 1,933.31 is: 2,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.43 : 10,691.12 = 1,933.31 : x
  2. Step 2: Convert to fraction form
    7,127.43/10,691.12 = 1,933.31/x
  3. Step 3: Cross multiply
    7,127.43x = 10,691.12 × 1,933.31
  4. Step 4: Simplify right side
    7,127.43x = 20,669,249.21
  5. Step 5: Solve for x
    x = 20,669,249.21/7,127.43
  6. Step 6: Final answer
    x = 2,899.96

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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.