Home / 4,934.78-6,812.36-2,918.54

Finding the Fourth Proportional to 4,934.78, 6,812.36 and 2,918.54

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Solution

The fourth proportional to 4,934.78, 6,812.36 and 2,918.54 is: 4,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.78 : 6,812.36 = 2,918.54 : x
  2. Step 2: Convert to fraction form
    4,934.78/6,812.36 = 2,918.54/x
  3. Step 3: Cross multiply
    4,934.78x = 6,812.36 × 2,918.54
  4. Step 4: Simplify right side
    4,934.78x = 19,882,096.50
  5. Step 5: Solve for x
    x = 19,882,096.50/4,934.78
  6. Step 6: Final answer
    x = 4,028.98

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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.