Home / 4,918.69-6,787.62-2,765.17

Finding the Fourth Proportional to 4,918.69, 6,787.62 and 2,765.17

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Solution

The fourth proportional to 4,918.69, 6,787.62 and 2,765.17 is: 3,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.69 : 6,787.62 = 2,765.17 : x
  2. Step 2: Convert to fraction form
    4,918.69/6,787.62 = 2,765.17/x
  3. Step 3: Cross multiply
    4,918.69x = 6,787.62 × 2,765.17
  4. Step 4: Simplify right side
    4,918.69x = 18,768,923.20
  5. Step 5: Solve for x
    x = 18,768,923.20/4,918.69
  6. Step 6: Final answer
    x = 3,815.84

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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.