Home / 6,157.08-8,496.45-3,638.61

Finding the Fourth Proportional to 6,157.08, 8,496.45 and 3,638.61

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Solution

The fourth proportional to 6,157.08, 8,496.45 and 3,638.61 is: 5,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.08 : 8,496.45 = 3,638.61 : x
  2. Step 2: Convert to fraction form
    6,157.08/8,496.45 = 3,638.61/x
  3. Step 3: Cross multiply
    6,157.08x = 8,496.45 × 3,638.61
  4. Step 4: Simplify right side
    6,157.08x = 30,915,267.93
  5. Step 5: Solve for x
    x = 30,915,267.93/6,157.08
  6. Step 6: Final answer
    x = 5,021.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.