Home / 4,263.14-6,390.92-1,664.12

Finding the Fourth Proportional to 4,263.14, 6,390.92 and 1,664.12

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Solution

The fourth proportional to 4,263.14, 6,390.92 and 1,664.12 is: 2,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.14 : 6,390.92 = 1,664.12 : x
  2. Step 2: Convert to fraction form
    4,263.14/6,390.92 = 1,664.12/x
  3. Step 3: Cross multiply
    4,263.14x = 6,390.92 × 1,664.12
  4. Step 4: Simplify right side
    4,263.14x = 10,635,230.00
  5. Step 5: Solve for x
    x = 10,635,230.00/4,263.14
  6. Step 6: Final answer
    x = 2,494.70

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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.