Home / 4,626.78-6,385.01-2,638.05

Finding the Fourth Proportional to 4,626.78, 6,385.01 and 2,638.05

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Solution

The fourth proportional to 4,626.78, 6,385.01 and 2,638.05 is: 3,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.78 : 6,385.01 = 2,638.05 : x
  2. Step 2: Convert to fraction form
    4,626.78/6,385.01 = 2,638.05/x
  3. Step 3: Cross multiply
    4,626.78x = 6,385.01 × 2,638.05
  4. Step 4: Simplify right side
    4,626.78x = 16,843,962.44
  5. Step 5: Solve for x
    x = 16,843,962.44/4,626.78
  6. Step 6: Final answer
    x = 3,640.54

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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.