Home / 5,406.27-8,110.19-1,708.77

Finding the Fourth Proportional to 5,406.27, 8,110.19 and 1,708.77

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Solution

The fourth proportional to 5,406.27, 8,110.19 and 1,708.77 is: 2,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.27 : 8,110.19 = 1,708.77 : x
  2. Step 2: Convert to fraction form
    5,406.27/8,110.19 = 1,708.77/x
  3. Step 3: Cross multiply
    5,406.27x = 8,110.19 × 1,708.77
  4. Step 4: Simplify right side
    5,406.27x = 13,858,449.37
  5. Step 5: Solve for x
    x = 13,858,449.37/5,406.27
  6. Step 6: Final answer
    x = 2,563.40

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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.