Home / 4,421.07-6,627.74-1,786.95

Finding the Fourth Proportional to 4,421.07, 6,627.74 and 1,786.95

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Solution

The fourth proportional to 4,421.07, 6,627.74 and 1,786.95 is: 2,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.07 : 6,627.74 = 1,786.95 : x
  2. Step 2: Convert to fraction form
    4,421.07/6,627.74 = 1,786.95/x
  3. Step 3: Cross multiply
    4,421.07x = 6,627.74 × 1,786.95
  4. Step 4: Simplify right side
    4,421.07x = 11,843,431.06
  5. Step 5: Solve for x
    x = 11,843,431.06/4,421.07
  6. Step 6: Final answer
    x = 2,678.86

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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.