Home / 6,076.07-9,115.69-1,916.21

Finding the Fourth Proportional to 6,076.07, 9,115.69 and 1,916.21

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Solution

The fourth proportional to 6,076.07, 9,115.69 and 1,916.21 is: 2,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.07 : 9,115.69 = 1,916.21 : x
  2. Step 2: Convert to fraction form
    6,076.07/9,115.69 = 1,916.21/x
  3. Step 3: Cross multiply
    6,076.07x = 9,115.69 × 1,916.21
  4. Step 4: Simplify right side
    6,076.07x = 17,467,576.33
  5. Step 5: Solve for x
    x = 17,467,576.33/6,076.07
  6. Step 6: Final answer
    x = 2,874.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.