Home / 4,928.22-7,386.89-2,005.82

Finding the Fourth Proportional to 4,928.22, 7,386.89 and 2,005.82

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Solution

The fourth proportional to 4,928.22, 7,386.89 and 2,005.82 is: 3,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.22 : 7,386.89 = 2,005.82 : x
  2. Step 2: Convert to fraction form
    4,928.22/7,386.89 = 2,005.82/x
  3. Step 3: Cross multiply
    4,928.22x = 7,386.89 × 2,005.82
  4. Step 4: Simplify right side
    4,928.22x = 14,816,771.70
  5. Step 5: Solve for x
    x = 14,816,771.70/4,928.22
  6. Step 6: Final answer
    x = 3,006.52

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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.