Home / 4,420.30-6,625.59-1,821.82

Finding the Fourth Proportional to 4,420.30, 6,625.59 and 1,821.82

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Solution

The fourth proportional to 4,420.30, 6,625.59 and 1,821.82 is: 2,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.30 : 6,625.59 = 1,821.82 : x
  2. Step 2: Convert to fraction form
    4,420.30/6,625.59 = 1,821.82/x
  3. Step 3: Cross multiply
    4,420.30x = 6,625.59 × 1,821.82
  4. Step 4: Simplify right side
    4,420.30x = 12,070,632.37
  5. Step 5: Solve for x
    x = 12,070,632.37/4,420.30
  6. Step 6: Final answer
    x = 2,730.73

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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.