Home / 5,406.97-8,110.77-1,511.37

Finding the Fourth Proportional to 5,406.97, 8,110.77 and 1,511.37

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Solution

The fourth proportional to 5,406.97, 8,110.77 and 1,511.37 is: 2,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.97 : 8,110.77 = 1,511.37 : x
  2. Step 2: Convert to fraction form
    5,406.97/8,110.77 = 1,511.37/x
  3. Step 3: Cross multiply
    5,406.97x = 8,110.77 × 1,511.37
  4. Step 4: Simplify right side
    5,406.97x = 12,258,374.45
  5. Step 5: Solve for x
    x = 12,258,374.45/5,406.97
  6. Step 6: Final answer
    x = 2,267.14

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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.