Home / 4,143.45-5,720.07-3,197.11

Finding the Fourth Proportional to 4,143.45, 5,720.07 and 3,197.11

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Solution

The fourth proportional to 4,143.45, 5,720.07 and 3,197.11 is: 4,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.45 : 5,720.07 = 3,197.11 : x
  2. Step 2: Convert to fraction form
    4,143.45/5,720.07 = 3,197.11/x
  3. Step 3: Cross multiply
    4,143.45x = 5,720.07 × 3,197.11
  4. Step 4: Simplify right side
    4,143.45x = 18,287,693.00
  5. Step 5: Solve for x
    x = 18,287,693.00/4,143.45
  6. Step 6: Final answer
    x = 4,413.64

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Half scale
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Double scale
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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.