Home / 4,253.58-6,377.42-1,786.39

Finding the Fourth Proportional to 4,253.58, 6,377.42 and 1,786.39

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Solution

The fourth proportional to 4,253.58, 6,377.42 and 1,786.39 is: 2,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.58 : 6,377.42 = 1,786.39 : x
  2. Step 2: Convert to fraction form
    4,253.58/6,377.42 = 1,786.39/x
  3. Step 3: Cross multiply
    4,253.58x = 6,377.42 × 1,786.39
  4. Step 4: Simplify right side
    4,253.58x = 11,392,547.84
  5. Step 5: Solve for x
    x = 11,392,547.84/4,253.58
  6. Step 6: Final answer
    x = 2,678.34

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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.