Home / 7,115.13-10,669.14-2,183.58

Finding the Fourth Proportional to 7,115.13, 10,669.14 and 2,183.58

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Solution

The fourth proportional to 7,115.13, 10,669.14 and 2,183.58 is: 3,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.13 : 10,669.14 = 2,183.58 : x
  2. Step 2: Convert to fraction form
    7,115.13/10,669.14 = 2,183.58/x
  3. Step 3: Cross multiply
    7,115.13x = 10,669.14 × 2,183.58
  4. Step 4: Simplify right side
    7,115.13x = 23,296,920.72
  5. Step 5: Solve for x
    x = 23,296,920.72/7,115.13
  6. Step 6: Final answer
    x = 3,274.28

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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.