Home / 4,876.15-6,729.06-2,638.03

Finding the Fourth Proportional to 4,876.15, 6,729.06 and 2,638.03

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Solution

The fourth proportional to 4,876.15, 6,729.06 and 2,638.03 is: 3,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.15 : 6,729.06 = 2,638.03 : x
  2. Step 2: Convert to fraction form
    4,876.15/6,729.06 = 2,638.03/x
  3. Step 3: Cross multiply
    4,876.15x = 6,729.06 × 2,638.03
  4. Step 4: Simplify right side
    4,876.15x = 17,751,428.51
  5. Step 5: Solve for x
    x = 17,751,428.51/4,876.15
  6. Step 6: Final answer
    x = 3,640.46

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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.