Home / 6,948.78-10,413.95-3,664.19

Finding the Fourth Proportional to 6,948.78, 10,413.95 and 3,664.19

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Solution

The fourth proportional to 6,948.78, 10,413.95 and 3,664.19 is: 5,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.78 : 10,413.95 = 3,664.19 : x
  2. Step 2: Convert to fraction form
    6,948.78/10,413.95 = 3,664.19/x
  3. Step 3: Cross multiply
    6,948.78x = 10,413.95 × 3,664.19
  4. Step 4: Simplify right side
    6,948.78x = 38,158,708.32
  5. Step 5: Solve for x
    x = 38,158,708.32/6,948.78
  6. Step 6: Final answer
    x = 5,491.43

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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.