Home / 4,146.40-5,718.13-3,200.68

Finding the Fourth Proportional to 4,146.40, 5,718.13 and 3,200.68

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Solution

The fourth proportional to 4,146.40, 5,718.13 and 3,200.68 is: 4,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.40 : 5,718.13 = 3,200.68 : x
  2. Step 2: Convert to fraction form
    4,146.40/5,718.13 = 3,200.68/x
  3. Step 3: Cross multiply
    4,146.40x = 5,718.13 × 3,200.68
  4. Step 4: Simplify right side
    4,146.40x = 18,301,904.33
  5. Step 5: Solve for x
    x = 18,301,904.33/4,146.40
  6. Step 6: Final answer
    x = 4,413.93

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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.