Home / 4,891.08-7,338.60-2,425.80

Finding the Fourth Proportional to 4,891.08, 7,338.60 and 2,425.80

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Solution

The fourth proportional to 4,891.08, 7,338.60 and 2,425.80 is: 3,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.08 : 7,338.60 = 2,425.80 : x
  2. Step 2: Convert to fraction form
    4,891.08/7,338.60 = 2,425.80/x
  3. Step 3: Cross multiply
    4,891.08x = 7,338.60 × 2,425.80
  4. Step 4: Simplify right side
    4,891.08x = 17,801,975.88
  5. Step 5: Solve for x
    x = 17,801,975.88/4,891.08
  6. Step 6: Final answer
    x = 3,639.68

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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.