Home / 4,423.87-6,635.71-1,790.65

Finding the Fourth Proportional to 4,423.87, 6,635.71 and 1,790.65

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Solution

The fourth proportional to 4,423.87, 6,635.71 and 1,790.65 is: 2,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.87 : 6,635.71 = 1,790.65 : x
  2. Step 2: Convert to fraction form
    4,423.87/6,635.71 = 1,790.65/x
  3. Step 3: Cross multiply
    4,423.87x = 6,635.71 × 1,790.65
  4. Step 4: Simplify right side
    4,423.87x = 11,882,234.11
  5. Step 5: Solve for x
    x = 11,882,234.11/4,423.87
  6. Step 6: Final answer
    x = 2,685.94

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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.