Home / 7,393.78-11,090.67-2,199.66

Finding the Fourth Proportional to 7,393.78, 11,090.67 and 2,199.66

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Solution

The fourth proportional to 7,393.78, 11,090.67 and 2,199.66 is: 3,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.78 : 11,090.67 = 2,199.66 : x
  2. Step 2: Convert to fraction form
    7,393.78/11,090.67 = 2,199.66/x
  3. Step 3: Cross multiply
    7,393.78x = 11,090.67 × 2,199.66
  4. Step 4: Simplify right side
    7,393.78x = 24,395,665.71
  5. Step 5: Solve for x
    x = 24,395,665.71/7,393.78
  6. Step 6: Final answer
    x = 3,299.48

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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.