Home / 6,272.96-8,656.37-3,620.21

Finding the Fourth Proportional to 6,272.96, 8,656.37 and 3,620.21

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Solution

The fourth proportional to 6,272.96, 8,656.37 and 3,620.21 is: 4,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.96 : 8,656.37 = 3,620.21 : x
  2. Step 2: Convert to fraction form
    6,272.96/8,656.37 = 3,620.21/x
  3. Step 3: Cross multiply
    6,272.96x = 8,656.37 × 3,620.21
  4. Step 4: Simplify right side
    6,272.96x = 31,337,815.85
  5. Step 5: Solve for x
    x = 31,337,815.85/6,272.96
  6. Step 6: Final answer
    x = 4,995.70

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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.