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Finding the Fourth Proportional to 4,228, 6,342.08 and 1,150.08

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Solution

The fourth proportional to 4,228, 6,342.08 and 1,150.08 is: 1,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228 : 6,342.08 = 1,150.08 : x
  2. Step 2: Convert to fraction form
    4,228/6,342.08 = 1,150.08/x
  3. Step 3: Cross multiply
    4,228x = 6,342.08 × 1,150.08
  4. Step 4: Simplify right side
    4,228x = 7,293,899.37
  5. Step 5: Solve for x
    x = 7,293,899.37/4,228
  6. Step 6: Final answer
    x = 1,725.14

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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.