Home / 5,786.10-7,984.83-3,428.09

Finding the Fourth Proportional to 5,786.10, 7,984.83 and 3,428.09

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Solution

The fourth proportional to 5,786.10, 7,984.83 and 3,428.09 is: 4,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.10 : 7,984.83 = 3,428.09 : x
  2. Step 2: Convert to fraction form
    5,786.10/7,984.83 = 3,428.09/x
  3. Step 3: Cross multiply
    5,786.10x = 7,984.83 × 3,428.09
  4. Step 4: Simplify right side
    5,786.10x = 27,372,715.87
  5. Step 5: Solve for x
    x = 27,372,715.87/5,786.10
  6. Step 6: Final answer
    x = 4,730.77

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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.