Home / 6,413.65-8,851.23-3,581.02

Finding the Fourth Proportional to 6,413.65, 8,851.23 and 3,581.02

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Solution

The fourth proportional to 6,413.65, 8,851.23 and 3,581.02 is: 4,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.65 : 8,851.23 = 3,581.02 : x
  2. Step 2: Convert to fraction form
    6,413.65/8,851.23 = 3,581.02/x
  3. Step 3: Cross multiply
    6,413.65x = 8,851.23 × 3,581.02
  4. Step 4: Simplify right side
    6,413.65x = 31,696,369.49
  5. Step 5: Solve for x
    x = 31,696,369.49/6,413.65
  6. Step 6: Final answer
    x = 4,942.02

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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.