Home / 6,219.36-8,586.60-3,982.20

Finding the Fourth Proportional to 6,219.36, 8,586.60 and 3,982.20

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Solution

The fourth proportional to 6,219.36, 8,586.60 and 3,982.20 is: 5,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.36 : 8,586.60 = 3,982.20 : x
  2. Step 2: Convert to fraction form
    6,219.36/8,586.60 = 3,982.20/x
  3. Step 3: Cross multiply
    6,219.36x = 8,586.60 × 3,982.20
  4. Step 4: Simplify right side
    6,219.36x = 34,193,558.52
  5. Step 5: Solve for x
    x = 34,193,558.52/6,219.36
  6. Step 6: Final answer
    x = 5,497.92

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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.