Home / 8,825.44-13,243.63-5,129.41

Finding the Fourth Proportional to 8,825.44, 13,243.63 and 5,129.41

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Solution

The fourth proportional to 8,825.44, 13,243.63 and 5,129.41 is: 7,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.44 : 13,243.63 = 5,129.41 : x
  2. Step 2: Convert to fraction form
    8,825.44/13,243.63 = 5,129.41/x
  3. Step 3: Cross multiply
    8,825.44x = 13,243.63 × 5,129.41
  4. Step 4: Simplify right side
    8,825.44x = 67,931,962.23
  5. Step 5: Solve for x
    x = 67,931,962.23/8,825.44
  6. Step 6: Final answer
    x = 7,697.29

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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.