Home / 7,202.45-10,802.77-2,822.99

Finding the Fourth Proportional to 7,202.45, 10,802.77 and 2,822.99

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Solution

The fourth proportional to 7,202.45, 10,802.77 and 2,822.99 is: 4,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.45 : 10,802.77 = 2,822.99 : x
  2. Step 2: Convert to fraction form
    7,202.45/10,802.77 = 2,822.99/x
  3. Step 3: Cross multiply
    7,202.45x = 10,802.77 × 2,822.99
  4. Step 4: Simplify right side
    7,202.45x = 30,496,050.61
  5. Step 5: Solve for x
    x = 30,496,050.61/7,202.45
  6. Step 6: Final answer
    x = 4,234.12

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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.