Home / 6,929.94-10,413.14-3,645.39

Finding the Fourth Proportional to 6,929.94, 10,413.14 and 3,645.39

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Solution

The fourth proportional to 6,929.94, 10,413.14 and 3,645.39 is: 5,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.94 : 10,413.14 = 3,645.39 : x
  2. Step 2: Convert to fraction form
    6,929.94/10,413.14 = 3,645.39/x
  3. Step 3: Cross multiply
    6,929.94x = 10,413.14 × 3,645.39
  4. Step 4: Simplify right side
    6,929.94x = 37,959,938.20
  5. Step 5: Solve for x
    x = 37,959,938.20/6,929.94
  6. Step 6: Final answer
    x = 5,477.67

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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.