Home / 5,260.72-7,885.74-3,413.01

Finding the Fourth Proportional to 5,260.72, 7,885.74 and 3,413.01

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Solution

The fourth proportional to 5,260.72, 7,885.74 and 3,413.01 is: 5,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.72 : 7,885.74 = 3,413.01 : x
  2. Step 2: Convert to fraction form
    5,260.72/7,885.74 = 3,413.01/x
  3. Step 3: Cross multiply
    5,260.72x = 7,885.74 × 3,413.01
  4. Step 4: Simplify right side
    5,260.72x = 26,914,109.48
  5. Step 5: Solve for x
    x = 26,914,109.48/5,260.72
  6. Step 6: Final answer
    x = 5,116.05

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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.