Home / 4,739.32-7,107.92-2,660.26

Finding the Fourth Proportional to 4,739.32, 7,107.92 and 2,660.26

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Solution

The fourth proportional to 4,739.32, 7,107.92 and 2,660.26 is: 3,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.32 : 7,107.92 = 2,660.26 : x
  2. Step 2: Convert to fraction form
    4,739.32/7,107.92 = 2,660.26/x
  3. Step 3: Cross multiply
    4,739.32x = 7,107.92 × 2,660.26
  4. Step 4: Simplify right side
    4,739.32x = 18,908,915.26
  5. Step 5: Solve for x
    x = 18,908,915.26/4,739.32
  6. Step 6: Final answer
    x = 3,989.80

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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.