Home / 4,449.42-6,669.69-2,105.25

Finding the Fourth Proportional to 4,449.42, 6,669.69 and 2,105.25

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Solution

The fourth proportional to 4,449.42, 6,669.69 and 2,105.25 is: 3,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.42 : 6,669.69 = 2,105.25 : x
  2. Step 2: Convert to fraction form
    4,449.42/6,669.69 = 2,105.25/x
  3. Step 3: Cross multiply
    4,449.42x = 6,669.69 × 2,105.25
  4. Step 4: Simplify right side
    4,449.42x = 14,041,364.87
  5. Step 5: Solve for x
    x = 14,041,364.87/4,449.42
  6. Step 6: Final answer
    x = 3,155.77

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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.