Home / 9,418.42-14,128.80-2,844.58

Finding the Fourth Proportional to 9,418.42, 14,128.80 and 2,844.58

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Solution

The fourth proportional to 9,418.42, 14,128.80 and 2,844.58 is: 4,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.42 : 14,128.80 = 2,844.58 : x
  2. Step 2: Convert to fraction form
    9,418.42/14,128.80 = 2,844.58/x
  3. Step 3: Cross multiply
    9,418.42x = 14,128.80 × 2,844.58
  4. Step 4: Simplify right side
    9,418.42x = 40,190,501.90
  5. Step 5: Solve for x
    x = 40,190,501.90/9,418.42
  6. Step 6: Final answer
    x = 4,267.22

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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.