Home / 6,822.24-10,223.74-5,429.38

Finding the Fourth Proportional to 6,822.24, 10,223.74 and 5,429.38

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Solution

The fourth proportional to 6,822.24, 10,223.74 and 5,429.38 is: 8,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.24 : 10,223.74 = 5,429.38 : x
  2. Step 2: Convert to fraction form
    6,822.24/10,223.74 = 5,429.38/x
  3. Step 3: Cross multiply
    6,822.24x = 10,223.74 × 5,429.38
  4. Step 4: Simplify right side
    6,822.24x = 55,508,569.48
  5. Step 5: Solve for x
    x = 55,508,569.48/6,822.24
  6. Step 6: Final answer
    x = 8,136.41

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1.5x scale

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.