Home / 5,122.43-7,679.34-1,610.22

Finding the Fourth Proportional to 5,122.43, 7,679.34 and 1,610.22

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Solution

The fourth proportional to 5,122.43, 7,679.34 and 1,610.22 is: 2,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.43 : 7,679.34 = 1,610.22 : x
  2. Step 2: Convert to fraction form
    5,122.43/7,679.34 = 1,610.22/x
  3. Step 3: Cross multiply
    5,122.43x = 7,679.34 × 1,610.22
  4. Step 4: Simplify right side
    5,122.43x = 12,365,426.85
  5. Step 5: Solve for x
    x = 12,365,426.85/5,122.43
  6. Step 6: Final answer
    x = 2,413.98

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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.