Home / 4,260.80-6,382.69-3,384.78

Finding the Fourth Proportional to 4,260.80, 6,382.69 and 3,384.78

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Solution

The fourth proportional to 4,260.80, 6,382.69 and 3,384.78 is: 5,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.80 : 6,382.69 = 3,384.78 : x
  2. Step 2: Convert to fraction form
    4,260.80/6,382.69 = 3,384.78/x
  3. Step 3: Cross multiply
    4,260.80x = 6,382.69 × 3,384.78
  4. Step 4: Simplify right side
    4,260.80x = 21,604,001.46
  5. Step 5: Solve for x
    x = 21,604,001.46/4,260.80
  6. Step 6: Final answer
    x = 5,070.41

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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.