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Finding the Fourth Proportional to 5,801.45, 8,701.91 and 1,905.89

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Solution

The fourth proportional to 5,801.45, 8,701.91 and 1,905.89 is: 2,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.45 : 8,701.91 = 1,905.89 : x
  2. Step 2: Convert to fraction form
    5,801.45/8,701.91 = 1,905.89/x
  3. Step 3: Cross multiply
    5,801.45x = 8,701.91 × 1,905.89
  4. Step 4: Simplify right side
    5,801.45x = 16,584,873.72
  5. Step 5: Solve for x
    x = 16,584,873.72/5,801.45
  6. Step 6: Final answer
    x = 2,858.75

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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.