Home / 4,448.20-6,138.12-2,458.72

Finding the Fourth Proportional to 4,448.20, 6,138.12 and 2,458.72

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Solution

The fourth proportional to 4,448.20, 6,138.12 and 2,458.72 is: 3,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.20 : 6,138.12 = 2,458.72 : x
  2. Step 2: Convert to fraction form
    4,448.20/6,138.12 = 2,458.72/x
  3. Step 3: Cross multiply
    4,448.20x = 6,138.12 × 2,458.72
  4. Step 4: Simplify right side
    4,448.20x = 15,091,918.41
  5. Step 5: Solve for x
    x = 15,091,918.41/4,448.20
  6. Step 6: Final answer
    x = 3,392.81

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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.