Home / 5,090.74-7,631.42-3,531.48

Finding the Fourth Proportional to 5,090.74, 7,631.42 and 3,531.48

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Solution

The fourth proportional to 5,090.74, 7,631.42 and 3,531.48 is: 5,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.74 : 7,631.42 = 3,531.48 : x
  2. Step 2: Convert to fraction form
    5,090.74/7,631.42 = 3,531.48/x
  3. Step 3: Cross multiply
    5,090.74x = 7,631.42 × 3,531.48
  4. Step 4: Simplify right side
    5,090.74x = 26,950,208.52
  5. Step 5: Solve for x
    x = 26,950,208.52/5,090.74
  6. Step 6: Final answer
    x = 5,293.96

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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.