Home / 5,027.60-7,542.32-1,739.80

Finding the Fourth Proportional to 5,027.60, 7,542.32 and 1,739.80

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Solution

The fourth proportional to 5,027.60, 7,542.32 and 1,739.80 is: 2,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.60 : 7,542.32 = 1,739.80 : x
  2. Step 2: Convert to fraction form
    5,027.60/7,542.32 = 1,739.80/x
  3. Step 3: Cross multiply
    5,027.60x = 7,542.32 × 1,739.80
  4. Step 4: Simplify right side
    5,027.60x = 13,122,128.34
  5. Step 5: Solve for x
    x = 13,122,128.34/5,027.60
  6. Step 6: Final answer
    x = 2,610.02

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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.