Home / 8,027.59-11,078.08-4,490.80

Finding the Fourth Proportional to 8,027.59, 11,078.08 and 4,490.80

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Solution

The fourth proportional to 8,027.59, 11,078.08 and 4,490.80 is: 6,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.59 : 11,078.08 = 4,490.80 : x
  2. Step 2: Convert to fraction form
    8,027.59/11,078.08 = 4,490.80/x
  3. Step 3: Cross multiply
    8,027.59x = 11,078.08 × 4,490.80
  4. Step 4: Simplify right side
    8,027.59x = 49,749,441.66
  5. Step 5: Solve for x
    x = 49,749,441.66/8,027.59
  6. Step 6: Final answer
    x = 6,197.31

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1.5x scale

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.