Home / 6,413.07-8,849.46-3,580.23

Finding the Fourth Proportional to 6,413.07, 8,849.46 and 3,580.23

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Solution

The fourth proportional to 6,413.07, 8,849.46 and 3,580.23 is: 4,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.07 : 8,849.46 = 3,580.23 : x
  2. Step 2: Convert to fraction form
    6,413.07/8,849.46 = 3,580.23/x
  3. Step 3: Cross multiply
    6,413.07x = 8,849.46 × 3,580.23
  4. Step 4: Simplify right side
    6,413.07x = 31,683,102.18
  5. Step 5: Solve for x
    x = 31,683,102.18/6,413.07
  6. Step 6: Final answer
    x = 4,940.40

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1.5x scale

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.