Home / 4,392.89-6,591.91-1,621.49

Finding the Fourth Proportional to 4,392.89, 6,591.91 and 1,621.49

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Solution

The fourth proportional to 4,392.89, 6,591.91 and 1,621.49 is: 2,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.89 : 6,591.91 = 1,621.49 : x
  2. Step 2: Convert to fraction form
    4,392.89/6,591.91 = 1,621.49/x
  3. Step 3: Cross multiply
    4,392.89x = 6,591.91 × 1,621.49
  4. Step 4: Simplify right side
    4,392.89x = 10,688,716.15
  5. Step 5: Solve for x
    x = 10,688,716.15/4,392.89
  6. Step 6: Final answer
    x = 2,433.19

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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.