Home / 5,090.70-7,631.18-3,236.07

Finding the Fourth Proportional to 5,090.70, 7,631.18 and 3,236.07

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Solution

The fourth proportional to 5,090.70, 7,631.18 and 3,236.07 is: 4,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.70 : 7,631.18 = 3,236.07 : x
  2. Step 2: Convert to fraction form
    5,090.70/7,631.18 = 3,236.07/x
  3. Step 3: Cross multiply
    5,090.70x = 7,631.18 × 3,236.07
  4. Step 4: Simplify right side
    5,090.70x = 24,694,978.33
  5. Step 5: Solve for x
    x = 24,694,978.33/5,090.70
  6. Step 6: Final answer
    x = 4,851.00

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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.