Home / 6,201.72-8,557.92-4,102.20

Finding the Fourth Proportional to 6,201.72, 8,557.92 and 4,102.20

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Solution

The fourth proportional to 6,201.72, 8,557.92 and 4,102.20 is: 5,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.72 : 8,557.92 = 4,102.20 : x
  2. Step 2: Convert to fraction form
    6,201.72/8,557.92 = 4,102.20/x
  3. Step 3: Cross multiply
    6,201.72x = 8,557.92 × 4,102.20
  4. Step 4: Simplify right side
    6,201.72x = 35,106,299.42
  5. Step 5: Solve for x
    x = 35,106,299.42/6,201.72
  6. Step 6: Final answer
    x = 5,660.74

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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.