Home / 6,144.20-9,213.60-2,445.20

Finding the Fourth Proportional to 6,144.20, 9,213.60 and 2,445.20

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Solution

The fourth proportional to 6,144.20, 9,213.60 and 2,445.20 is: 3,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.20 : 9,213.60 = 2,445.20 : x
  2. Step 2: Convert to fraction form
    6,144.20/9,213.60 = 2,445.20/x
  3. Step 3: Cross multiply
    6,144.20x = 9,213.60 × 2,445.20
  4. Step 4: Simplify right side
    6,144.20x = 22,529,094.72
  5. Step 5: Solve for x
    x = 22,529,094.72/6,144.20
  6. Step 6: Final answer
    x = 3,666.73

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Half scale
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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.