Home / 7,220.04-10,830.72-2,025.96

Finding the Fourth Proportional to 7,220.04, 10,830.72 and 2,025.96

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Solution

The fourth proportional to 7,220.04, 10,830.72 and 2,025.96 is: 3,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.04 : 10,830.72 = 2,025.96 : x
  2. Step 2: Convert to fraction form
    7,220.04/10,830.72 = 2,025.96/x
  3. Step 3: Cross multiply
    7,220.04x = 10,830.72 × 2,025.96
  4. Step 4: Simplify right side
    7,220.04x = 21,942,605.49
  5. Step 5: Solve for x
    x = 21,942,605.49/7,220.04
  6. Step 6: Final answer
    x = 3,039.13

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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.