Home / 5,090.33-7,628.85-4,429.37

Finding the Fourth Proportional to 5,090.33, 7,628.85 and 4,429.37

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Solution

The fourth proportional to 5,090.33, 7,628.85 and 4,429.37 is: 6,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.33 : 7,628.85 = 4,429.37 : x
  2. Step 2: Convert to fraction form
    5,090.33/7,628.85 = 4,429.37/x
  3. Step 3: Cross multiply
    5,090.33x = 7,628.85 × 4,429.37
  4. Step 4: Simplify right side
    5,090.33x = 33,790,961.18
  5. Step 5: Solve for x
    x = 33,790,961.18/5,090.33
  6. Step 6: Final answer
    x = 6,638.27

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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.