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Finding the Fourth Proportional to 4,855.57, 7,284.06 and 1,933.70

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Solution

The fourth proportional to 4,855.57, 7,284.06 and 1,933.70 is: 2,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.57 : 7,284.06 = 1,933.70 : x
  2. Step 2: Convert to fraction form
    4,855.57/7,284.06 = 1,933.70/x
  3. Step 3: Cross multiply
    4,855.57x = 7,284.06 × 1,933.70
  4. Step 4: Simplify right side
    4,855.57x = 14,085,150.40
  5. Step 5: Solve for x
    x = 14,085,150.40/4,855.57
  6. Step 6: Final answer
    x = 2,900.82

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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.