Home / 7,878.37-11,816.64-2,034.52

Finding the Fourth Proportional to 7,878.37, 11,816.64 and 2,034.52

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Solution

The fourth proportional to 7,878.37, 11,816.64 and 2,034.52 is: 3,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878.37 : 11,816.64 = 2,034.52 : x
  2. Step 2: Convert to fraction form
    7,878.37/11,816.64 = 2,034.52/x
  3. Step 3: Cross multiply
    7,878.37x = 11,816.64 × 2,034.52
  4. Step 4: Simplify right side
    7,878.37x = 24,041,190.41
  5. Step 5: Solve for x
    x = 24,041,190.41/7,878.37
  6. Step 6: Final answer
    x = 3,051.54

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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.