Home / 5,453.83-8,184.32-2,990.39

Finding the Fourth Proportional to 5,453.83, 8,184.32 and 2,990.39

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Solution

The fourth proportional to 5,453.83, 8,184.32 and 2,990.39 is: 4,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.83 : 8,184.32 = 2,990.39 : x
  2. Step 2: Convert to fraction form
    5,453.83/8,184.32 = 2,990.39/x
  3. Step 3: Cross multiply
    5,453.83x = 8,184.32 × 2,990.39
  4. Step 4: Simplify right side
    5,453.83x = 24,474,336.62
  5. Step 5: Solve for x
    x = 24,474,336.62/5,453.83
  6. Step 6: Final answer
    x = 4,487.55

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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.