Home / 9,350.83-12,905.19-5,371.87

Finding the Fourth Proportional to 9,350.83, 12,905.19 and 5,371.87

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Solution

The fourth proportional to 9,350.83, 12,905.19 and 5,371.87 is: 7,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.83 : 12,905.19 = 5,371.87 : x
  2. Step 2: Convert to fraction form
    9,350.83/12,905.19 = 5,371.87/x
  3. Step 3: Cross multiply
    9,350.83x = 12,905.19 × 5,371.87
  4. Step 4: Simplify right side
    9,350.83x = 69,325,003.01
  5. Step 5: Solve for x
    x = 69,325,003.01/9,350.83
  6. Step 6: Final answer
    x = 7,413.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.