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Finding the Fourth Proportional to 5,810.48, 8,717.07 and 1,914.88

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Solution

The fourth proportional to 5,810.48, 8,717.07 and 1,914.88 is: 2,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.48 : 8,717.07 = 1,914.88 : x
  2. Step 2: Convert to fraction form
    5,810.48/8,717.07 = 1,914.88/x
  3. Step 3: Cross multiply
    5,810.48x = 8,717.07 × 1,914.88
  4. Step 4: Simplify right side
    5,810.48x = 16,692,099.42
  5. Step 5: Solve for x
    x = 16,692,099.42/5,810.48
  6. Step 6: Final answer
    x = 2,872.76

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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.