Home / 5,436.08-8,149.44-2,512.88

Finding the Fourth Proportional to 5,436.08, 8,149.44 and 2,512.88

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Solution

The fourth proportional to 5,436.08, 8,149.44 and 2,512.88 is: 3,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.08 : 8,149.44 = 2,512.88 : x
  2. Step 2: Convert to fraction form
    5,436.08/8,149.44 = 2,512.88/x
  3. Step 3: Cross multiply
    5,436.08x = 8,149.44 × 2,512.88
  4. Step 4: Simplify right side
    5,436.08x = 20,478,564.79
  5. Step 5: Solve for x
    x = 20,478,564.79/5,436.08
  6. Step 6: Final answer
    x = 3,767.16

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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.