Home / 4,282.40-6,423.06-1,359.92

Finding the Fourth Proportional to 4,282.40, 6,423.06 and 1,359.92

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Solution

The fourth proportional to 4,282.40, 6,423.06 and 1,359.92 is: 2,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.40 : 6,423.06 = 1,359.92 : x
  2. Step 2: Convert to fraction form
    4,282.40/6,423.06 = 1,359.92/x
  3. Step 3: Cross multiply
    4,282.40x = 6,423.06 × 1,359.92
  4. Step 4: Simplify right side
    4,282.40x = 8,734,847.76
  5. Step 5: Solve for x
    x = 8,734,847.76/4,282.40
  6. Step 6: Final answer
    x = 2,039.71

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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.