Home / 4,909.54-7,363.26-1,621.86

Finding the Fourth Proportional to 4,909.54, 7,363.26 and 1,621.86

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Solution

The fourth proportional to 4,909.54, 7,363.26 and 1,621.86 is: 2,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.54 : 7,363.26 = 1,621.86 : x
  2. Step 2: Convert to fraction form
    4,909.54/7,363.26 = 1,621.86/x
  3. Step 3: Cross multiply
    4,909.54x = 7,363.26 × 1,621.86
  4. Step 4: Simplify right side
    4,909.54x = 11,942,176.86
  5. Step 5: Solve for x
    x = 11,942,176.86/4,909.54
  6. Step 6: Final answer
    x = 2,432.44

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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.