Home / 10,225.37-15,338.40-2,829.21

Finding the Fourth Proportional to 10,225.37, 15,338.40 and 2,829.21

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Solution

The fourth proportional to 10,225.37, 15,338.40 and 2,829.21 is: 4,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.37 : 15,338.40 = 2,829.21 : x
  2. Step 2: Convert to fraction form
    10,225.37/15,338.40 = 2,829.21/x
  3. Step 3: Cross multiply
    10,225.37x = 15,338.40 × 2,829.21
  4. Step 4: Simplify right side
    10,225.37x = 43,395,588.73
  5. Step 5: Solve for x
    x = 43,395,588.73/10,225.37
  6. Step 6: Final answer
    x = 4,243.91

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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.