Home / 5,456.96-8,186.34-2,170.08

Finding the Fourth Proportional to 5,456.96, 8,186.34 and 2,170.08

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Solution

The fourth proportional to 5,456.96, 8,186.34 and 2,170.08 is: 3,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.96 : 8,186.34 = 2,170.08 : x
  2. Step 2: Convert to fraction form
    5,456.96/8,186.34 = 2,170.08/x
  3. Step 3: Cross multiply
    5,456.96x = 8,186.34 × 2,170.08
  4. Step 4: Simplify right side
    5,456.96x = 17,765,012.71
  5. Step 5: Solve for x
    x = 17,765,012.71/5,456.96
  6. Step 6: Final answer
    x = 3,255.48

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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.