Home / 5,350.77-8,027.52-3,131.47

Finding the Fourth Proportional to 5,350.77, 8,027.52 and 3,131.47

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Solution

The fourth proportional to 5,350.77, 8,027.52 and 3,131.47 is: 4,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.77 : 8,027.52 = 3,131.47 : x
  2. Step 2: Convert to fraction form
    5,350.77/8,027.52 = 3,131.47/x
  3. Step 3: Cross multiply
    5,350.77x = 8,027.52 × 3,131.47
  4. Step 4: Simplify right side
    5,350.77x = 25,137,906.88
  5. Step 5: Solve for x
    x = 25,137,906.88/5,350.77
  6. Step 6: Final answer
    x = 4,698.00

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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.