Home / 9,090.39-13,635.60-3,899.91

Finding the Fourth Proportional to 9,090.39, 13,635.60 and 3,899.91

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Solution

The fourth proportional to 9,090.39, 13,635.60 and 3,899.91 is: 5,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.39 : 13,635.60 = 3,899.91 : x
  2. Step 2: Convert to fraction form
    9,090.39/13,635.60 = 3,899.91/x
  3. Step 3: Cross multiply
    9,090.39x = 13,635.60 × 3,899.91
  4. Step 4: Simplify right side
    9,090.39x = 53,177,612.80
  5. Step 5: Solve for x
    x = 53,177,612.80/9,090.39
  6. Step 6: Final answer
    x = 5,849.87

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Similar ratio
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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.