Home / 5,550.61-8,330.34-2,919.65

Finding the Fourth Proportional to 5,550.61, 8,330.34 and 2,919.65

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Solution

The fourth proportional to 5,550.61, 8,330.34 and 2,919.65 is: 4,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.61 : 8,330.34 = 2,919.65 : x
  2. Step 2: Convert to fraction form
    5,550.61/8,330.34 = 2,919.65/x
  3. Step 3: Cross multiply
    5,550.61x = 8,330.34 × 2,919.65
  4. Step 4: Simplify right side
    5,550.61x = 24,321,646.48
  5. Step 5: Solve for x
    x = 24,321,646.48/5,550.61
  6. Step 6: Final answer
    x = 4,381.79

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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.