Home / 7,786.02-11,682.45-4,087.37

Finding the Fourth Proportional to 7,786.02, 11,682.45 and 4,087.37

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Solution

The fourth proportional to 7,786.02, 11,682.45 and 4,087.37 is: 6,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.02 : 11,682.45 = 4,087.37 : x
  2. Step 2: Convert to fraction form
    7,786.02/11,682.45 = 4,087.37/x
  3. Step 3: Cross multiply
    7,786.02x = 11,682.45 × 4,087.37
  4. Step 4: Simplify right side
    7,786.02x = 47,750,437.24
  5. Step 5: Solve for x
    x = 47,750,437.24/7,786.02
  6. Step 6: Final answer
    x = 6,132.84

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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.