Home / 5,153.91-7,727.42-2,031.98

Finding the Fourth Proportional to 5,153.91, 7,727.42 and 2,031.98

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Solution

The fourth proportional to 5,153.91, 7,727.42 and 2,031.98 is: 3,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.91 : 7,727.42 = 2,031.98 : x
  2. Step 2: Convert to fraction form
    5,153.91/7,727.42 = 2,031.98/x
  3. Step 3: Cross multiply
    5,153.91x = 7,727.42 × 2,031.98
  4. Step 4: Simplify right side
    5,153.91x = 15,701,914.09
  5. Step 5: Solve for x
    x = 15,701,914.09/5,153.91
  6. Step 6: Final answer
    x = 3,046.60

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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.