Home / 5,351.72-8,027.52-2,887.70

Finding the Fourth Proportional to 5,351.72, 8,027.52 and 2,887.70

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Solution

The fourth proportional to 5,351.72, 8,027.52 and 2,887.70 is: 4,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.72 : 8,027.52 = 2,887.70 : x
  2. Step 2: Convert to fraction form
    5,351.72/8,027.52 = 2,887.70/x
  3. Step 3: Cross multiply
    5,351.72x = 8,027.52 × 2,887.70
  4. Step 4: Simplify right side
    5,351.72x = 23,181,029.37
  5. Step 5: Solve for x
    x = 23,181,029.37/5,351.72
  6. Step 6: Final answer
    x = 4,331.51

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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.