Home / 6,146.37-8,481.51-3,989.07

Finding the Fourth Proportional to 6,146.37, 8,481.51 and 3,989.07

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Solution

The fourth proportional to 6,146.37, 8,481.51 and 3,989.07 is: 5,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.37 : 8,481.51 = 3,989.07 : x
  2. Step 2: Convert to fraction form
    6,146.37/8,481.51 = 3,989.07/x
  3. Step 3: Cross multiply
    6,146.37x = 8,481.51 × 3,989.07
  4. Step 4: Simplify right side
    6,146.37x = 33,833,337.10
  5. Step 5: Solve for x
    x = 33,833,337.10/6,146.37
  6. Step 6: Final answer
    x = 5,504.60

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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.