Home / 4,124.05-6,188.20-1,660.64

Finding the Fourth Proportional to 4,124.05, 6,188.20 and 1,660.64

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Solution

The fourth proportional to 4,124.05, 6,188.20 and 1,660.64 is: 2,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.05 : 6,188.20 = 1,660.64 : x
  2. Step 2: Convert to fraction form
    4,124.05/6,188.20 = 1,660.64/x
  3. Step 3: Cross multiply
    4,124.05x = 6,188.20 × 1,660.64
  4. Step 4: Simplify right side
    4,124.05x = 10,276,337.36
  5. Step 5: Solve for x
    x = 10,276,337.36/4,124.05
  6. Step 6: Final answer
    x = 2,491.81

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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.