Home / 4,423.92-6,636.09-1,958.76

Finding the Fourth Proportional to 4,423.92, 6,636.09 and 1,958.76

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Solution

The fourth proportional to 4,423.92, 6,636.09 and 1,958.76 is: 2,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.92 : 6,636.09 = 1,958.76 : x
  2. Step 2: Convert to fraction form
    4,423.92/6,636.09 = 1,958.76/x
  3. Step 3: Cross multiply
    4,423.92x = 6,636.09 × 1,958.76
  4. Step 4: Simplify right side
    4,423.92x = 12,998,507.65
  5. Step 5: Solve for x
    x = 12,998,507.65/4,423.92
  6. Step 6: Final answer
    x = 2,938.23

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1.5x scale

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.