Home / 7,111.22-10,666.83-2,493.14

Finding the Fourth Proportional to 7,111.22, 10,666.83 and 2,493.14

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Solution

The fourth proportional to 7,111.22, 10,666.83 and 2,493.14 is: 3,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.22 : 10,666.83 = 2,493.14 : x
  2. Step 2: Convert to fraction form
    7,111.22/10,666.83 = 2,493.14/x
  3. Step 3: Cross multiply
    7,111.22x = 10,666.83 × 2,493.14
  4. Step 4: Simplify right side
    7,111.22x = 26,593,900.55
  5. Step 5: Solve for x
    x = 26,593,900.55/7,111.22
  6. Step 6: Final answer
    x = 3,739.71

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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.