Home / 6,822.61-10,238.77-3,122.53

Finding the Fourth Proportional to 6,822.61, 10,238.77 and 3,122.53

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Solution

The fourth proportional to 6,822.61, 10,238.77 and 3,122.53 is: 4,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.61 : 10,238.77 = 3,122.53 : x
  2. Step 2: Convert to fraction form
    6,822.61/10,238.77 = 3,122.53/x
  3. Step 3: Cross multiply
    6,822.61x = 10,238.77 × 3,122.53
  4. Step 4: Simplify right side
    6,822.61x = 31,970,866.49
  5. Step 5: Solve for x
    x = 31,970,866.49/6,822.61
  6. Step 6: Final answer
    x = 4,686.02

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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.