Home / 4,911.74-7,368.87-2,137.69

Finding the Fourth Proportional to 4,911.74, 7,368.87 and 2,137.69

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Solution

The fourth proportional to 4,911.74, 7,368.87 and 2,137.69 is: 3,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.74 : 7,368.87 = 2,137.69 : x
  2. Step 2: Convert to fraction form
    4,911.74/7,368.87 = 2,137.69/x
  3. Step 3: Cross multiply
    4,911.74x = 7,368.87 × 2,137.69
  4. Step 4: Simplify right side
    4,911.74x = 15,752,376.94
  5. Step 5: Solve for x
    x = 15,752,376.94/4,911.74
  6. Step 6: Final answer
    x = 3,207.09

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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.