Home / 5,403.39-8,106-1,705.55

Finding the Fourth Proportional to 5,403.39, 8,106 and 1,705.55

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Solution

The fourth proportional to 5,403.39, 8,106 and 1,705.55 is: 2,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.39 : 8,106 = 1,705.55 : x
  2. Step 2: Convert to fraction form
    5,403.39/8,106 = 1,705.55/x
  3. Step 3: Cross multiply
    5,403.39x = 8,106 × 1,705.55
  4. Step 4: Simplify right side
    5,403.39x = 13,825,147.77
  5. Step 5: Solve for x
    x = 13,825,147.77/5,403.39
  6. Step 6: Final answer
    x = 2,558.61

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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.