Home / 4,919.16-6,787.62-3,150.39

Finding the Fourth Proportional to 4,919.16, 6,787.62 and 3,150.39

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Solution

The fourth proportional to 4,919.16, 6,787.62 and 3,150.39 is: 4,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.16 : 6,787.62 = 3,150.39 : x
  2. Step 2: Convert to fraction form
    4,919.16/6,787.62 = 3,150.39/x
  3. Step 3: Cross multiply
    4,919.16x = 6,787.62 × 3,150.39
  4. Step 4: Simplify right side
    4,919.16x = 21,383,650.17
  5. Step 5: Solve for x
    x = 21,383,650.17/4,919.16
  6. Step 6: Final answer
    x = 4,347.01

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1.5x scale

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.