Home / 5,646.87-8,467.03-2,137.15

Finding the Fourth Proportional to 5,646.87, 8,467.03 and 2,137.15

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Solution

The fourth proportional to 5,646.87, 8,467.03 and 2,137.15 is: 3,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.87 : 8,467.03 = 2,137.15 : x
  2. Step 2: Convert to fraction form
    5,646.87/8,467.03 = 2,137.15/x
  3. Step 3: Cross multiply
    5,646.87x = 8,467.03 × 2,137.15
  4. Step 4: Simplify right side
    5,646.87x = 18,095,286.65
  5. Step 5: Solve for x
    x = 18,095,286.65/5,646.87
  6. Step 6: Final answer
    x = 3,204.48

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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.