Home / 9,418.40-14,128.14-2,845.25

Finding the Fourth Proportional to 9,418.40, 14,128.14 and 2,845.25

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Solution

The fourth proportional to 9,418.40, 14,128.14 and 2,845.25 is: 4,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.40 : 14,128.14 = 2,845.25 : x
  2. Step 2: Convert to fraction form
    9,418.40/14,128.14 = 2,845.25/x
  3. Step 3: Cross multiply
    9,418.40x = 14,128.14 × 2,845.25
  4. Step 4: Simplify right side
    9,418.40x = 40,198,090.34
  5. Step 5: Solve for x
    x = 40,198,090.34/9,418.40
  6. Step 6: Final answer
    x = 4,268.04

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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.