Home / 4,448.86-6,139.60-2,954.20

Finding the Fourth Proportional to 4,448.86, 6,139.60 and 2,954.20

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Solution

The fourth proportional to 4,448.86, 6,139.60 and 2,954.20 is: 4,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.86 : 6,139.60 = 2,954.20 : x
  2. Step 2: Convert to fraction form
    4,448.86/6,139.60 = 2,954.20/x
  3. Step 3: Cross multiply
    4,448.86x = 6,139.60 × 2,954.20
  4. Step 4: Simplify right side
    4,448.86x = 18,137,606.32
  5. Step 5: Solve for x
    x = 18,137,606.32/4,448.86
  6. Step 6: Final answer
    x = 4,076.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.