Home / 5,403.15-8,105.97-1,705.74

Finding the Fourth Proportional to 5,403.15, 8,105.97 and 1,705.74

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Solution

The fourth proportional to 5,403.15, 8,105.97 and 1,705.74 is: 2,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.15 : 8,105.97 = 1,705.74 : x
  2. Step 2: Convert to fraction form
    5,403.15/8,105.97 = 1,705.74/x
  3. Step 3: Cross multiply
    5,403.15x = 8,105.97 × 1,705.74
  4. Step 4: Simplify right side
    5,403.15x = 13,826,677.27
  5. Step 5: Solve for x
    x = 13,826,677.27/5,403.15
  6. Step 6: Final answer
    x = 2,559.00

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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.