Home / 5,662.47-8,487.23-2,196.75

Finding the Fourth Proportional to 5,662.47, 8,487.23 and 2,196.75

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Solution

The fourth proportional to 5,662.47, 8,487.23 and 2,196.75 is: 3,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.47 : 8,487.23 = 2,196.75 : x
  2. Step 2: Convert to fraction form
    5,662.47/8,487.23 = 2,196.75/x
  3. Step 3: Cross multiply
    5,662.47x = 8,487.23 × 2,196.75
  4. Step 4: Simplify right side
    5,662.47x = 18,644,311.52
  5. Step 5: Solve for x
    x = 18,644,311.52/5,662.47
  6. Step 6: Final answer
    x = 3,292.61

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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.