Home / 5,413.06-8,123.24-2,125.77

Finding the Fourth Proportional to 5,413.06, 8,123.24 and 2,125.77

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Solution

The fourth proportional to 5,413.06, 8,123.24 and 2,125.77 is: 3,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.06 : 8,123.24 = 2,125.77 : x
  2. Step 2: Convert to fraction form
    5,413.06/8,123.24 = 2,125.77/x
  3. Step 3: Cross multiply
    5,413.06x = 8,123.24 × 2,125.77
  4. Step 4: Simplify right side
    5,413.06x = 17,268,139.89
  5. Step 5: Solve for x
    x = 17,268,139.89/5,413.06
  6. Step 6: Final answer
    x = 3,190.09

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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.