Home / 4,260.89-6,391.26-1,663.83

Finding the Fourth Proportional to 4,260.89, 6,391.26 and 1,663.83

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Solution

The fourth proportional to 4,260.89, 6,391.26 and 1,663.83 is: 2,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.89 : 6,391.26 = 1,663.83 : x
  2. Step 2: Convert to fraction form
    4,260.89/6,391.26 = 1,663.83/x
  3. Step 3: Cross multiply
    4,260.89x = 6,391.26 × 1,663.83
  4. Step 4: Simplify right side
    4,260.89x = 10,633,970.13
  5. Step 5: Solve for x
    x = 10,633,970.13/4,260.89
  6. Step 6: Final answer
    x = 2,495.72

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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.