Home / 4,260.77-6,391.44-1,448.46

Finding the Fourth Proportional to 4,260.77, 6,391.44 and 1,448.46

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Solution

The fourth proportional to 4,260.77, 6,391.44 and 1,448.46 is: 2,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.77 : 6,391.44 = 1,448.46 : x
  2. Step 2: Convert to fraction form
    4,260.77/6,391.44 = 1,448.46/x
  3. Step 3: Cross multiply
    4,260.77x = 6,391.44 × 1,448.46
  4. Step 4: Simplify right side
    4,260.77x = 9,257,738.18
  5. Step 5: Solve for x
    x = 9,257,738.18/4,260.77
  6. Step 6: Final answer
    x = 2,172.79

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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.