Home / 8,419.74-12,629.70-3,797.34

Finding the Fourth Proportional to 8,419.74, 12,629.70 and 3,797.34

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Solution

The fourth proportional to 8,419.74, 12,629.70 and 3,797.34 is: 5,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.74 : 12,629.70 = 3,797.34 : x
  2. Step 2: Convert to fraction form
    8,419.74/12,629.70 = 3,797.34/x
  3. Step 3: Cross multiply
    8,419.74x = 12,629.70 × 3,797.34
  4. Step 4: Simplify right side
    8,419.74x = 47,959,265.00
  5. Step 5: Solve for x
    x = 47,959,265.00/8,419.74
  6. Step 6: Final answer
    x = 5,696.05

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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.