Home / 4,915.09-6,782.78-2,676.96

Finding the Fourth Proportional to 4,915.09, 6,782.78 and 2,676.96

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Solution

The fourth proportional to 4,915.09, 6,782.78 and 2,676.96 is: 3,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.09 : 6,782.78 = 2,676.96 : x
  2. Step 2: Convert to fraction form
    4,915.09/6,782.78 = 2,676.96/x
  3. Step 3: Cross multiply
    4,915.09x = 6,782.78 × 2,676.96
  4. Step 4: Simplify right side
    4,915.09x = 18,157,237.44
  5. Step 5: Solve for x
    x = 18,157,237.44/4,915.09
  6. Step 6: Final answer
    x = 3,694.18

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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.