Home / 4,627.26-6,385.86-2,638.08

Finding the Fourth Proportional to 4,627.26, 6,385.86 and 2,638.08

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Solution

The fourth proportional to 4,627.26, 6,385.86 and 2,638.08 is: 3,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.26 : 6,385.86 = 2,638.08 : x
  2. Step 2: Convert to fraction form
    4,627.26/6,385.86 = 2,638.08/x
  3. Step 3: Cross multiply
    4,627.26x = 6,385.86 × 2,638.08
  4. Step 4: Simplify right side
    4,627.26x = 16,846,409.55
  5. Step 5: Solve for x
    x = 16,846,409.55/4,627.26
  6. Step 6: Final answer
    x = 3,640.69

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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.