Home / 4,626.88-6,385.52-2,638.08

Finding the Fourth Proportional to 4,626.88, 6,385.52 and 2,638.08

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Solution

The fourth proportional to 4,626.88, 6,385.52 and 2,638.08 is: 3,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.88 : 6,385.52 = 2,638.08 : x
  2. Step 2: Convert to fraction form
    4,626.88/6,385.52 = 2,638.08/x
  3. Step 3: Cross multiply
    4,626.88x = 6,385.52 × 2,638.08
  4. Step 4: Simplify right side
    4,626.88x = 16,845,512.60
  5. Step 5: Solve for x
    x = 16,845,512.60/4,626.88
  6. Step 6: Final answer
    x = 3,640.79

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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.