Home / 5,193.60-7,790.40-2,419.35

Finding the Fourth Proportional to 5,193.60, 7,790.40 and 2,419.35

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Solution

The fourth proportional to 5,193.60, 7,790.40 and 2,419.35 is: 3,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.60 : 7,790.40 = 2,419.35 : x
  2. Step 2: Convert to fraction form
    5,193.60/7,790.40 = 2,419.35/x
  3. Step 3: Cross multiply
    5,193.60x = 7,790.40 × 2,419.35
  4. Step 4: Simplify right side
    5,193.60x = 18,847,704.24
  5. Step 5: Solve for x
    x = 18,847,704.24/5,193.60
  6. Step 6: Final answer
    x = 3,629.03

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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.