Home / 4,975.21-6,865.22-2,736.88

Finding the Fourth Proportional to 4,975.21, 6,865.22 and 2,736.88

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Solution

The fourth proportional to 4,975.21, 6,865.22 and 2,736.88 is: 3,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.21 : 6,865.22 = 2,736.88 : x
  2. Step 2: Convert to fraction form
    4,975.21/6,865.22 = 2,736.88/x
  3. Step 3: Cross multiply
    4,975.21x = 6,865.22 × 2,736.88
  4. Step 4: Simplify right side
    4,975.21x = 18,789,283.31
  5. Step 5: Solve for x
    x = 18,789,283.31/4,975.21
  6. Step 6: Final answer
    x = 3,776.58

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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.