Home / 5,186.34-7,157.52-3,197.70

Finding the Fourth Proportional to 5,186.34, 7,157.52 and 3,197.70

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Solution

The fourth proportional to 5,186.34, 7,157.52 and 3,197.70 is: 4,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.34 : 7,157.52 = 3,197.70 : x
  2. Step 2: Convert to fraction form
    5,186.34/7,157.52 = 3,197.70/x
  3. Step 3: Cross multiply
    5,186.34x = 7,157.52 × 3,197.70
  4. Step 4: Simplify right side
    5,186.34x = 22,887,601.70
  5. Step 5: Solve for x
    x = 22,887,601.70/5,186.34
  6. Step 6: Final answer
    x = 4,413.05

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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.