Home / 4,146.32-6,220.20-1,224.80

Finding the Fourth Proportional to 4,146.32, 6,220.20 and 1,224.80

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Solution

The fourth proportional to 4,146.32, 6,220.20 and 1,224.80 is: 1,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.32 : 6,220.20 = 1,224.80 : x
  2. Step 2: Convert to fraction form
    4,146.32/6,220.20 = 1,224.80/x
  3. Step 3: Cross multiply
    4,146.32x = 6,220.20 × 1,224.80
  4. Step 4: Simplify right side
    4,146.32x = 7,618,500.96
  5. Step 5: Solve for x
    x = 7,618,500.96/4,146.32
  6. Step 6: Final answer
    x = 1,837.41

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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.