Home / 4,083.61-6,125.98-1,309.63

Finding the Fourth Proportional to 4,083.61, 6,125.98 and 1,309.63

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Solution

The fourth proportional to 4,083.61, 6,125.98 and 1,309.63 is: 1,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.61 : 6,125.98 = 1,309.63 : x
  2. Step 2: Convert to fraction form
    4,083.61/6,125.98 = 1,309.63/x
  3. Step 3: Cross multiply
    4,083.61x = 6,125.98 × 1,309.63
  4. Step 4: Simplify right side
    4,083.61x = 8,022,736.56
  5. Step 5: Solve for x
    x = 8,022,736.56/4,083.61
  6. Step 6: Final answer
    x = 1,964.62

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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.