Home / 4,213.59-6,321.28-1,616.50

Finding the Fourth Proportional to 4,213.59, 6,321.28 and 1,616.50

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Solution

The fourth proportional to 4,213.59, 6,321.28 and 1,616.50 is: 2,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.59 : 6,321.28 = 1,616.50 : x
  2. Step 2: Convert to fraction form
    4,213.59/6,321.28 = 1,616.50/x
  3. Step 3: Cross multiply
    4,213.59x = 6,321.28 × 1,616.50
  4. Step 4: Simplify right side
    4,213.59x = 10,218,349.12
  5. Step 5: Solve for x
    x = 10,218,349.12/4,213.59
  6. Step 6: Final answer
    x = 2,425.10

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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.