Home / 9,319.76-13,975.22-3,392.45

Finding the Fourth Proportional to 9,319.76, 13,975.22 and 3,392.45

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Solution

The fourth proportional to 9,319.76, 13,975.22 and 3,392.45 is: 5,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.76 : 13,975.22 = 3,392.45 : x
  2. Step 2: Convert to fraction form
    9,319.76/13,975.22 = 3,392.45/x
  3. Step 3: Cross multiply
    9,319.76x = 13,975.22 × 3,392.45
  4. Step 4: Simplify right side
    9,319.76x = 47,410,148.25
  5. Step 5: Solve for x
    x = 47,410,148.25/9,319.76
  6. Step 6: Final answer
    x = 5,087.06

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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.