Home / 4,006.35-5,528.78-2,213.79

Finding the Fourth Proportional to 4,006.35, 5,528.78 and 2,213.79

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Solution

The fourth proportional to 4,006.35, 5,528.78 and 2,213.79 is: 3,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.35 : 5,528.78 = 2,213.79 : x
  2. Step 2: Convert to fraction form
    4,006.35/5,528.78 = 2,213.79/x
  3. Step 3: Cross multiply
    4,006.35x = 5,528.78 × 2,213.79
  4. Step 4: Simplify right side
    4,006.35x = 12,239,546.81
  5. Step 5: Solve for x
    x = 12,239,546.81/4,006.35
  6. Step 6: Final answer
    x = 3,055.04

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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.