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Finding the Fourth Proportional to 5,826.60, 8,040.80 and 3,173.99

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Solution

The fourth proportional to 5,826.60, 8,040.80 and 3,173.99 is: 4,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.60 : 8,040.80 = 3,173.99 : x
  2. Step 2: Convert to fraction form
    5,826.60/8,040.80 = 3,173.99/x
  3. Step 3: Cross multiply
    5,826.60x = 8,040.80 × 3,173.99
  4. Step 4: Simplify right side
    5,826.60x = 25,521,386.52
  5. Step 5: Solve for x
    x = 25,521,386.52/5,826.60
  6. Step 6: Final answer
    x = 4,380.15

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