Home / 4,921.75-6,792.15-2,826.01

Finding the Fourth Proportional to 4,921.75, 6,792.15 and 2,826.01

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Solution

The fourth proportional to 4,921.75, 6,792.15 and 2,826.01 is: 3,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.75 : 6,792.15 = 2,826.01 : x
  2. Step 2: Convert to fraction form
    4,921.75/6,792.15 = 2,826.01/x
  3. Step 3: Cross multiply
    4,921.75x = 6,792.15 × 2,826.01
  4. Step 4: Simplify right side
    4,921.75x = 19,194,683.82
  5. Step 5: Solve for x
    x = 19,194,683.82/4,921.75
  6. Step 6: Final answer
    x = 3,899.97

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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.