Home / 5,355.20-8,027.40-2,435.60

Finding the Fourth Proportional to 5,355.20, 8,027.40 and 2,435.60

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Solution

The fourth proportional to 5,355.20, 8,027.40 and 2,435.60 is: 3,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.20 : 8,027.40 = 2,435.60 : x
  2. Step 2: Convert to fraction form
    5,355.20/8,027.40 = 2,435.60/x
  3. Step 3: Cross multiply
    5,355.20x = 8,027.40 × 2,435.60
  4. Step 4: Simplify right side
    5,355.20x = 19,551,535.44
  5. Step 5: Solve for x
    x = 19,551,535.44/5,355.20
  6. Step 6: Final answer
    x = 3,650.94

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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.