Home / 4,828.72-6,661.27-3,149.36

Finding the Fourth Proportional to 4,828.72, 6,661.27 and 3,149.36

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Solution

The fourth proportional to 4,828.72, 6,661.27 and 3,149.36 is: 4,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.72 : 6,661.27 = 3,149.36 : x
  2. Step 2: Convert to fraction form
    4,828.72/6,661.27 = 3,149.36/x
  3. Step 3: Cross multiply
    4,828.72x = 6,661.27 × 3,149.36
  4. Step 4: Simplify right side
    4,828.72x = 20,978,737.29
  5. Step 5: Solve for x
    x = 20,978,737.29/4,828.72
  6. Step 6: Final answer
    x = 4,344.58

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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.