Home / 5,015.40-7,520.34-3,982.03

Finding the Fourth Proportional to 5,015.40, 7,520.34 and 3,982.03

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Solution

The fourth proportional to 5,015.40, 7,520.34 and 3,982.03 is: 5,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.40 : 7,520.34 = 3,982.03 : x
  2. Step 2: Convert to fraction form
    5,015.40/7,520.34 = 3,982.03/x
  3. Step 3: Cross multiply
    5,015.40x = 7,520.34 × 3,982.03
  4. Step 4: Simplify right side
    5,015.40x = 29,946,219.49
  5. Step 5: Solve for x
    x = 29,946,219.49/5,015.40
  6. Step 6: Final answer
    x = 5,970.85

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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.