Home / 4,911.03-7,367.76-1,448.28

Finding the Fourth Proportional to 4,911.03, 7,367.76 and 1,448.28

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Solution

The fourth proportional to 4,911.03, 7,367.76 and 1,448.28 is: 2,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.03 : 7,367.76 = 1,448.28 : x
  2. Step 2: Convert to fraction form
    4,911.03/7,367.76 = 1,448.28/x
  3. Step 3: Cross multiply
    4,911.03x = 7,367.76 × 1,448.28
  4. Step 4: Simplify right side
    4,911.03x = 10,670,579.45
  5. Step 5: Solve for x
    x = 10,670,579.45/4,911.03
  6. Step 6: Final answer
    x = 2,172.78

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1.5x scale

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.