Home / 7,713.23-11,571.06-2,784.08

Finding the Fourth Proportional to 7,713.23, 11,571.06 and 2,784.08

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Solution

The fourth proportional to 7,713.23, 11,571.06 and 2,784.08 is: 4,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.23 : 11,571.06 = 2,784.08 : x
  2. Step 2: Convert to fraction form
    7,713.23/11,571.06 = 2,784.08/x
  3. Step 3: Cross multiply
    7,713.23x = 11,571.06 × 2,784.08
  4. Step 4: Simplify right side
    7,713.23x = 32,214,756.72
  5. Step 5: Solve for x
    x = 32,214,756.72/7,713.23
  6. Step 6: Final answer
    x = 4,176.56

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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.