Home / 5,090.23-7,027.94-3,178.96

Finding the Fourth Proportional to 5,090.23, 7,027.94 and 3,178.96

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Solution

The fourth proportional to 5,090.23, 7,027.94 and 3,178.96 is: 4,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.23 : 7,027.94 = 3,178.96 : x
  2. Step 2: Convert to fraction form
    5,090.23/7,027.94 = 3,178.96/x
  3. Step 3: Cross multiply
    5,090.23x = 7,027.94 × 3,178.96
  4. Step 4: Simplify right side
    5,090.23x = 22,341,540.14
  5. Step 5: Solve for x
    x = 22,341,540.14/5,090.23
  6. Step 6: Final answer
    x = 4,389.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.