Home / 9,090.41-13,631.25-5,393.12

Finding the Fourth Proportional to 9,090.41, 13,631.25 and 5,393.12

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Solution

The fourth proportional to 9,090.41, 13,631.25 and 5,393.12 is: 8,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.41 : 13,631.25 = 5,393.12 : x
  2. Step 2: Convert to fraction form
    9,090.41/13,631.25 = 5,393.12/x
  3. Step 3: Cross multiply
    9,090.41x = 13,631.25 × 5,393.12
  4. Step 4: Simplify right side
    9,090.41x = 73,514,967
  5. Step 5: Solve for x
    x = 73,514,967/9,090.41
  6. Step 6: Final answer
    x = 8,087.09

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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.