Home / 4,861.28-6,702.43-3,180.03

Finding the Fourth Proportional to 4,861.28, 6,702.43 and 3,180.03

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Solution

The fourth proportional to 4,861.28, 6,702.43 and 3,180.03 is: 4,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.28 : 6,702.43 = 3,180.03 : x
  2. Step 2: Convert to fraction form
    4,861.28/6,702.43 = 3,180.03/x
  3. Step 3: Cross multiply
    4,861.28x = 6,702.43 × 3,180.03
  4. Step 4: Simplify right side
    4,861.28x = 21,313,901.35
  5. Step 5: Solve for x
    x = 21,313,901.35/4,861.28
  6. Step 6: Final answer
    x = 4,384.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.