Home / 7,984.79-11,977.27-3,054.68

Finding the Fourth Proportional to 7,984.79, 11,977.27 and 3,054.68

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Solution

The fourth proportional to 7,984.79, 11,977.27 and 3,054.68 is: 4,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.79 : 11,977.27 = 3,054.68 : x
  2. Step 2: Convert to fraction form
    7,984.79/11,977.27 = 3,054.68/x
  3. Step 3: Cross multiply
    7,984.79x = 11,977.27 × 3,054.68
  4. Step 4: Simplify right side
    7,984.79x = 36,586,651.96
  5. Step 5: Solve for x
    x = 36,586,651.96/7,984.79
  6. Step 6: Final answer
    x = 4,582.05

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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.