Home / 4,027.80-5,558-2,455.58

Finding the Fourth Proportional to 4,027.80, 5,558 and 2,455.58

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Solution

The fourth proportional to 4,027.80, 5,558 and 2,455.58 is: 3,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.80 : 5,558 = 2,455.58 : x
  2. Step 2: Convert to fraction form
    4,027.80/5,558 = 2,455.58/x
  3. Step 3: Cross multiply
    4,027.80x = 5,558 × 2,455.58
  4. Step 4: Simplify right side
    4,027.80x = 13,648,113.64
  5. Step 5: Solve for x
    x = 13,648,113.64/4,027.80
  6. Step 6: Final answer
    x = 3,388.48

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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.