Home / 6,187.78-9,286.53-3,416.37

Finding the Fourth Proportional to 6,187.78, 9,286.53 and 3,416.37

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Solution

The fourth proportional to 6,187.78, 9,286.53 and 3,416.37 is: 5,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.78 : 9,286.53 = 3,416.37 : x
  2. Step 2: Convert to fraction form
    6,187.78/9,286.53 = 3,416.37/x
  3. Step 3: Cross multiply
    6,187.78x = 9,286.53 × 3,416.37
  4. Step 4: Simplify right side
    6,187.78x = 31,726,222.50
  5. Step 5: Solve for x
    x = 31,726,222.50/6,187.78
  6. Step 6: Final answer
    x = 5,127.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.