Home / 7,393.91-11,090.05-2,199.38

Finding the Fourth Proportional to 7,393.91, 11,090.05 and 2,199.38

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Solution

The fourth proportional to 7,393.91, 11,090.05 and 2,199.38 is: 3,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.91 : 11,090.05 = 2,199.38 : x
  2. Step 2: Convert to fraction form
    7,393.91/11,090.05 = 2,199.38/x
  3. Step 3: Cross multiply
    7,393.91x = 11,090.05 × 2,199.38
  4. Step 4: Simplify right side
    7,393.91x = 24,391,173.22
  5. Step 5: Solve for x
    x = 24,391,173.22/7,393.91
  6. Step 6: Final answer
    x = 3,298.82

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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.