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Finding the Fourth Proportional to 5,838.58, 8,759.01 and 1,890.82

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Solution

The fourth proportional to 5,838.58, 8,759.01 and 1,890.82 is: 2,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.58 : 8,759.01 = 1,890.82 : x
  2. Step 2: Convert to fraction form
    5,838.58/8,759.01 = 1,890.82/x
  3. Step 3: Cross multiply
    5,838.58x = 8,759.01 × 1,890.82
  4. Step 4: Simplify right side
    5,838.58x = 16,561,711.29
  5. Step 5: Solve for x
    x = 16,561,711.29/5,838.58
  6. Step 6: Final answer
    x = 2,836.60

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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.