Home / 7,204.47-10,806.72-2,821.35

Finding the Fourth Proportional to 7,204.47, 10,806.72 and 2,821.35

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Solution

The fourth proportional to 7,204.47, 10,806.72 and 2,821.35 is: 4,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.47 : 10,806.72 = 2,821.35 : x
  2. Step 2: Convert to fraction form
    7,204.47/10,806.72 = 2,821.35/x
  3. Step 3: Cross multiply
    7,204.47x = 10,806.72 × 2,821.35
  4. Step 4: Simplify right side
    7,204.47x = 30,489,539.47
  5. Step 5: Solve for x
    x = 30,489,539.47/7,204.47
  6. Step 6: Final answer
    x = 4,232.03

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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.