Home / 8,788.36-13,181.18-3,240.94

Finding the Fourth Proportional to 8,788.36, 13,181.18 and 3,240.94

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Solution

The fourth proportional to 8,788.36, 13,181.18 and 3,240.94 is: 4,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.36 : 13,181.18 = 3,240.94 : x
  2. Step 2: Convert to fraction form
    8,788.36/13,181.18 = 3,240.94/x
  3. Step 3: Cross multiply
    8,788.36x = 13,181.18 × 3,240.94
  4. Step 4: Simplify right side
    8,788.36x = 42,719,413.51
  5. Step 5: Solve for x
    x = 42,719,413.51/8,788.36
  6. Step 6: Final answer
    x = 4,860.91

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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.