Home / 8,419.47-12,629.25-4,023.60

Finding the Fourth Proportional to 8,419.47, 12,629.25 and 4,023.60

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Solution

The fourth proportional to 8,419.47, 12,629.25 and 4,023.60 is: 6,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.47 : 12,629.25 = 4,023.60 : x
  2. Step 2: Convert to fraction form
    8,419.47/12,629.25 = 4,023.60/x
  3. Step 3: Cross multiply
    8,419.47x = 12,629.25 × 4,023.60
  4. Step 4: Simplify right side
    8,419.47x = 50,815,050.30
  5. Step 5: Solve for x
    x = 50,815,050.30/8,419.47
  6. Step 6: Final answer
    x = 6,035.42

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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.