Home / 4,321.73-6,480.98-1,855.28

Finding the Fourth Proportional to 4,321.73, 6,480.98 and 1,855.28

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Solution

The fourth proportional to 4,321.73, 6,480.98 and 1,855.28 is: 2,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.73 : 6,480.98 = 1,855.28 : x
  2. Step 2: Convert to fraction form
    4,321.73/6,480.98 = 1,855.28/x
  3. Step 3: Cross multiply
    4,321.73x = 6,480.98 × 1,855.28
  4. Step 4: Simplify right side
    4,321.73x = 12,024,032.57
  5. Step 5: Solve for x
    x = 12,024,032.57/4,321.73
  6. Step 6: Final answer
    x = 2,782.23

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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.