Home / 4,785.72-7,170.66-1,664.07

Finding the Fourth Proportional to 4,785.72, 7,170.66 and 1,664.07

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Solution

The fourth proportional to 4,785.72, 7,170.66 and 1,664.07 is: 2,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.72 : 7,170.66 = 1,664.07 : x
  2. Step 2: Convert to fraction form
    4,785.72/7,170.66 = 1,664.07/x
  3. Step 3: Cross multiply
    4,785.72x = 7,170.66 × 1,664.07
  4. Step 4: Simplify right side
    4,785.72x = 11,932,480.19
  5. Step 5: Solve for x
    x = 11,932,480.19/4,785.72
  6. Step 6: Final answer
    x = 2,493.35

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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.