Home / 5,550.08-7,656.32-3,310.40

Finding the Fourth Proportional to 5,550.08, 7,656.32 and 3,310.40

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Solution

The fourth proportional to 5,550.08, 7,656.32 and 3,310.40 is: 4,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.08 : 7,656.32 = 3,310.40 : x
  2. Step 2: Convert to fraction form
    5,550.08/7,656.32 = 3,310.40/x
  3. Step 3: Cross multiply
    5,550.08x = 7,656.32 × 3,310.40
  4. Step 4: Simplify right side
    5,550.08x = 25,345,481.73
  5. Step 5: Solve for x
    x = 25,345,481.73/5,550.08
  6. Step 6: Final answer
    x = 4,566.69

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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.