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Finding the Fourth Proportional to 4,836.94, 7,237.25 and 2,855.28

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Solution

The fourth proportional to 4,836.94, 7,237.25 and 2,855.28 is: 4,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.94 : 7,237.25 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    4,836.94/7,237.25 = 2,855.28/x
  3. Step 3: Cross multiply
    4,836.94x = 7,237.25 × 2,855.28
  4. Step 4: Simplify right side
    4,836.94x = 20,664,409.17
  5. Step 5: Solve for x
    x = 20,664,409.17/4,836.94
  6. Step 6: Final answer
    x = 4,272.20

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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.