Home / 6,142.03-8,476.20-3,489.28

Finding the Fourth Proportional to 6,142.03, 8,476.20 and 3,489.28

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Solution

The fourth proportional to 6,142.03, 8,476.20 and 3,489.28 is: 4,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.03 : 8,476.20 = 3,489.28 : x
  2. Step 2: Convert to fraction form
    6,142.03/8,476.20 = 3,489.28/x
  3. Step 3: Cross multiply
    6,142.03x = 8,476.20 × 3,489.28
  4. Step 4: Simplify right side
    6,142.03x = 29,575,835.14
  5. Step 5: Solve for x
    x = 29,575,835.14/6,142.03
  6. Step 6: Final answer
    x = 4,815.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.