Home / 5,725.05-8,585.09-1,977.22

Finding the Fourth Proportional to 5,725.05, 8,585.09 and 1,977.22

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Solution

The fourth proportional to 5,725.05, 8,585.09 and 1,977.22 is: 2,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.05 : 8,585.09 = 1,977.22 : x
  2. Step 2: Convert to fraction form
    5,725.05/8,585.09 = 1,977.22/x
  3. Step 3: Cross multiply
    5,725.05x = 8,585.09 × 1,977.22
  4. Step 4: Simplify right side
    5,725.05x = 16,974,611.65
  5. Step 5: Solve for x
    x = 16,974,611.65/5,725.05
  6. Step 6: Final answer
    x = 2,964.97

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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.