Home / 5,725.78-8,587.68-1,723.12

Finding the Fourth Proportional to 5,725.78, 8,587.68 and 1,723.12

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Solution

The fourth proportional to 5,725.78, 8,587.68 and 1,723.12 is: 2,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.78 : 8,587.68 = 1,723.12 : x
  2. Step 2: Convert to fraction form
    5,725.78/8,587.68 = 1,723.12/x
  3. Step 3: Cross multiply
    5,725.78x = 8,587.68 × 1,723.12
  4. Step 4: Simplify right side
    5,725.78x = 14,797,581.69
  5. Step 5: Solve for x
    x = 14,797,581.69/5,725.78
  6. Step 6: Final answer
    x = 2,584.38

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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.