Home / 5,921.00-8,170.70-3,401.34

Finding the Fourth Proportional to 5,921.00, 8,170.70 and 3,401.34

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Solution

The fourth proportional to 5,921.00, 8,170.70 and 3,401.34 is: 4,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.00 : 8,170.70 = 3,401.34 : x
  2. Step 2: Convert to fraction form
    5,921.00/8,170.70 = 3,401.34/x
  3. Step 3: Cross multiply
    5,921.00x = 8,170.70 × 3,401.34
  4. Step 4: Simplify right side
    5,921.00x = 27,791,311.73
  5. Step 5: Solve for x
    x = 27,791,311.73/5,921.00
  6. Step 6: Final answer
    x = 4,693.69

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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.