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Finding the Fourth Proportional to 4,522.36, 6,785.99 and 1,890.09

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Solution

The fourth proportional to 4,522.36, 6,785.99 and 1,890.09 is: 2,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.36 : 6,785.99 = 1,890.09 : x
  2. Step 2: Convert to fraction form
    4,522.36/6,785.99 = 1,890.09/x
  3. Step 3: Cross multiply
    4,522.36x = 6,785.99 × 1,890.09
  4. Step 4: Simplify right side
    4,522.36x = 12,826,151.38
  5. Step 5: Solve for x
    x = 12,826,151.38/4,522.36
  6. Step 6: Final answer
    x = 2,836.16

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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.