Home / 4,876.97-6,730.19-2,638.83

Finding the Fourth Proportional to 4,876.97, 6,730.19 and 2,638.83

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Solution

The fourth proportional to 4,876.97, 6,730.19 and 2,638.83 is: 3,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.97 : 6,730.19 = 2,638.83 : x
  2. Step 2: Convert to fraction form
    4,876.97/6,730.19 = 2,638.83/x
  3. Step 3: Cross multiply
    4,876.97x = 6,730.19 × 2,638.83
  4. Step 4: Simplify right side
    4,876.97x = 17,759,827.28
  5. Step 5: Solve for x
    x = 17,759,827.28/4,876.97
  6. Step 6: Final answer
    x = 3,641.57

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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.