Home / 5,403.36-8,104.62-1,705.70

Finding the Fourth Proportional to 5,403.36, 8,104.62 and 1,705.70

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Solution

The fourth proportional to 5,403.36, 8,104.62 and 1,705.70 is: 2,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.36 : 8,104.62 = 1,705.70 : x
  2. Step 2: Convert to fraction form
    5,403.36/8,104.62 = 1,705.70/x
  3. Step 3: Cross multiply
    5,403.36x = 8,104.62 × 1,705.70
  4. Step 4: Simplify right side
    5,403.36x = 13,824,050.33
  5. Step 5: Solve for x
    x = 13,824,050.33/5,403.36
  6. Step 6: Final answer
    x = 2,558.42

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1.5x scale

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.