Home / 4,622.87-6,379.69-2,578.81

Finding the Fourth Proportional to 4,622.87, 6,379.69 and 2,578.81

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Solution

The fourth proportional to 4,622.87, 6,379.69 and 2,578.81 is: 3,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.87 : 6,379.69 = 2,578.81 : x
  2. Step 2: Convert to fraction form
    4,622.87/6,379.69 = 2,578.81/x
  3. Step 3: Cross multiply
    4,622.87x = 6,379.69 × 2,578.81
  4. Step 4: Simplify right side
    4,622.87x = 16,452,008.37
  5. Step 5: Solve for x
    x = 16,452,008.37/4,622.87
  6. Step 6: Final answer
    x = 3,558.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.