Home / 4,886.46-6,743.70-2,790.54

Finding the Fourth Proportional to 4,886.46, 6,743.70 and 2,790.54

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Solution

The fourth proportional to 4,886.46, 6,743.70 and 2,790.54 is: 3,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.46 : 6,743.70 = 2,790.54 : x
  2. Step 2: Convert to fraction form
    4,886.46/6,743.70 = 2,790.54/x
  3. Step 3: Cross multiply
    4,886.46x = 6,743.70 × 2,790.54
  4. Step 4: Simplify right side
    4,886.46x = 18,818,564.60
  5. Step 5: Solve for x
    x = 18,818,564.60/4,886.46
  6. Step 6: Final answer
    x = 3,851.17

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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.