Home / 5,406.75-8,113.37-2,328.75

Finding the Fourth Proportional to 5,406.75, 8,113.37 and 2,328.75

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Solution

The fourth proportional to 5,406.75, 8,113.37 and 2,328.75 is: 3,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.75 : 8,113.37 = 2,328.75 : x
  2. Step 2: Convert to fraction form
    5,406.75/8,113.37 = 2,328.75/x
  3. Step 3: Cross multiply
    5,406.75x = 8,113.37 × 2,328.75
  4. Step 4: Simplify right side
    5,406.75x = 18,893,998.74
  5. Step 5: Solve for x
    x = 18,893,998.74/5,406.75
  6. Step 6: Final answer
    x = 3,494.52

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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.