Home / 5,851.60-8,790.20-4,123.60

Finding the Fourth Proportional to 5,851.60, 8,790.20 and 4,123.60

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Solution

The fourth proportional to 5,851.60, 8,790.20 and 4,123.60 is: 6,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.60 : 8,790.20 = 4,123.60 : x
  2. Step 2: Convert to fraction form
    5,851.60/8,790.20 = 4,123.60/x
  3. Step 3: Cross multiply
    5,851.60x = 8,790.20 × 4,123.60
  4. Step 4: Simplify right side
    5,851.60x = 36,247,268.72
  5. Step 5: Solve for x
    x = 36,247,268.72/5,851.60
  6. Step 6: Final answer
    x = 6,194.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.