Home / 6,771.93-10,148.59-3,811.80

Finding the Fourth Proportional to 6,771.93, 10,148.59 and 3,811.80

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Solution

The fourth proportional to 6,771.93, 10,148.59 and 3,811.80 is: 5,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.93 : 10,148.59 = 3,811.80 : x
  2. Step 2: Convert to fraction form
    6,771.93/10,148.59 = 3,811.80/x
  3. Step 3: Cross multiply
    6,771.93x = 10,148.59 × 3,811.80
  4. Step 4: Simplify right side
    6,771.93x = 38,684,395.36
  5. Step 5: Solve for x
    x = 38,684,395.36/6,771.93
  6. Step 6: Final answer
    x = 5,712.46

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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.