Home / 7,110.64-10,668.80-3,822.85

Finding the Fourth Proportional to 7,110.64, 10,668.80 and 3,822.85

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Solution

The fourth proportional to 7,110.64, 10,668.80 and 3,822.85 is: 5,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.64 : 10,668.80 = 3,822.85 : x
  2. Step 2: Convert to fraction form
    7,110.64/10,668.80 = 3,822.85/x
  3. Step 3: Cross multiply
    7,110.64x = 10,668.80 × 3,822.85
  4. Step 4: Simplify right side
    7,110.64x = 40,785,222.08
  5. Step 5: Solve for x
    x = 40,785,222.08/7,110.64
  6. Step 6: Final answer
    x = 5,735.80

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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.