Home / 5,186.80-7,157.53-3,197.54

Finding the Fourth Proportional to 5,186.80, 7,157.53 and 3,197.54

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Solution

The fourth proportional to 5,186.80, 7,157.53 and 3,197.54 is: 4,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.80 : 7,157.53 = 3,197.54 : x
  2. Step 2: Convert to fraction form
    5,186.80/7,157.53 = 3,197.54/x
  3. Step 3: Cross multiply
    5,186.80x = 7,157.53 × 3,197.54
  4. Step 4: Simplify right side
    5,186.80x = 22,886,488.48
  5. Step 5: Solve for x
    x = 22,886,488.48/5,186.80
  6. Step 6: Final answer
    x = 4,412.45

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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.