Home / 5,712.75-8,570.57-1,608.75

Finding the Fourth Proportional to 5,712.75, 8,570.57 and 1,608.75

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Solution

The fourth proportional to 5,712.75, 8,570.57 and 1,608.75 is: 2,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.75 : 8,570.57 = 1,608.75 : x
  2. Step 2: Convert to fraction form
    5,712.75/8,570.57 = 1,608.75/x
  3. Step 3: Cross multiply
    5,712.75x = 8,570.57 × 1,608.75
  4. Step 4: Simplify right side
    5,712.75x = 13,787,904.49
  5. Step 5: Solve for x
    x = 13,787,904.49/5,712.75
  6. Step 6: Final answer
    x = 2,413.53

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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.