Home / 5,492.20-8,238.30-2,203.60

Finding the Fourth Proportional to 5,492.20, 8,238.30 and 2,203.60

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Solution

The fourth proportional to 5,492.20, 8,238.30 and 2,203.60 is: 3,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.20 : 8,238.30 = 2,203.60 : x
  2. Step 2: Convert to fraction form
    5,492.20/8,238.30 = 2,203.60/x
  3. Step 3: Cross multiply
    5,492.20x = 8,238.30 × 2,203.60
  4. Step 4: Simplify right side
    5,492.20x = 18,153,917.88
  5. Step 5: Solve for x
    x = 18,153,917.88/5,492.20
  6. Step 6: Final answer
    x = 3,305.40

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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.