Home / 4,145.10-6,217.64-3,413.13

Finding the Fourth Proportional to 4,145.10, 6,217.64 and 3,413.13

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Solution

The fourth proportional to 4,145.10, 6,217.64 and 3,413.13 is: 5,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.10 : 6,217.64 = 3,413.13 : x
  2. Step 2: Convert to fraction form
    4,145.10/6,217.64 = 3,413.13/x
  3. Step 3: Cross multiply
    4,145.10x = 6,217.64 × 3,413.13
  4. Step 4: Simplify right side
    4,145.10x = 21,221,596.55
  5. Step 5: Solve for x
    x = 21,221,596.55/4,145.10
  6. Step 6: Final answer
    x = 5,119.68

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1.5x scale

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.