Home / 7,203.11-10,804.30-2,821.37

Finding the Fourth Proportional to 7,203.11, 10,804.30 and 2,821.37

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Solution

The fourth proportional to 7,203.11, 10,804.30 and 2,821.37 is: 4,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.11 : 10,804.30 = 2,821.37 : x
  2. Step 2: Convert to fraction form
    7,203.11/10,804.30 = 2,821.37/x
  3. Step 3: Cross multiply
    7,203.11x = 10,804.30 × 2,821.37
  4. Step 4: Simplify right side
    7,203.11x = 30,482,927.89
  5. Step 5: Solve for x
    x = 30,482,927.89/7,203.11
  6. Step 6: Final answer
    x = 4,231.91

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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.