Home / 10,052.21-15,078.44-3,810.54

Finding the Fourth Proportional to 10,052.21, 15,078.44 and 3,810.54

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Solution

The fourth proportional to 10,052.21, 15,078.44 and 3,810.54 is: 5,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.21 : 15,078.44 = 3,810.54 : x
  2. Step 2: Convert to fraction form
    10,052.21/15,078.44 = 3,810.54/x
  3. Step 3: Cross multiply
    10,052.21x = 15,078.44 × 3,810.54
  4. Step 4: Simplify right side
    10,052.21x = 57,456,979.70
  5. Step 5: Solve for x
    x = 57,456,979.70/10,052.21
  6. Step 6: Final answer
    x = 5,715.86

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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.