Home / 4,418.32-6,627.60-1,821.46

Finding the Fourth Proportional to 4,418.32, 6,627.60 and 1,821.46

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Solution

The fourth proportional to 4,418.32, 6,627.60 and 1,821.46 is: 2,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.32 : 6,627.60 = 1,821.46 : x
  2. Step 2: Convert to fraction form
    4,418.32/6,627.60 = 1,821.46/x
  3. Step 3: Cross multiply
    4,418.32x = 6,627.60 × 1,821.46
  4. Step 4: Simplify right side
    4,418.32x = 12,071,908.30
  5. Step 5: Solve for x
    x = 12,071,908.30/4,418.32
  6. Step 6: Final answer
    x = 2,732.24

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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.