Home / 6,822.48-10,225.20-2,922.36

Finding the Fourth Proportional to 6,822.48, 10,225.20 and 2,922.36

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Solution

The fourth proportional to 6,822.48, 10,225.20 and 2,922.36 is: 4,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.48 : 10,225.20 = 2,922.36 : x
  2. Step 2: Convert to fraction form
    6,822.48/10,225.20 = 2,922.36/x
  3. Step 3: Cross multiply
    6,822.48x = 10,225.20 × 2,922.36
  4. Step 4: Simplify right side
    6,822.48x = 29,881,715.47
  5. Step 5: Solve for x
    x = 29,881,715.47/6,822.48
  6. Step 6: Final answer
    x = 4,379.89

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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.