Home / 4,644.68-6,413.76-3,158.12

Finding the Fourth Proportional to 4,644.68, 6,413.76 and 3,158.12

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Solution

The fourth proportional to 4,644.68, 6,413.76 and 3,158.12 is: 4,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.68 : 6,413.76 = 3,158.12 : x
  2. Step 2: Convert to fraction form
    4,644.68/6,413.76 = 3,158.12/x
  3. Step 3: Cross multiply
    4,644.68x = 6,413.76 × 3,158.12
  4. Step 4: Simplify right side
    4,644.68x = 20,255,391.66
  5. Step 5: Solve for x
    x = 20,255,391.66/4,644.68
  6. Step 6: Final answer
    x = 4,360.99

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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.