Home / 8,976.39-13,450.95-4,289.94

Finding the Fourth Proportional to 8,976.39, 13,450.95 and 4,289.94

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Solution

The fourth proportional to 8,976.39, 13,450.95 and 4,289.94 is: 6,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.39 : 13,450.95 = 4,289.94 : x
  2. Step 2: Convert to fraction form
    8,976.39/13,450.95 = 4,289.94/x
  3. Step 3: Cross multiply
    8,976.39x = 13,450.95 × 4,289.94
  4. Step 4: Simplify right side
    8,976.39x = 57,703,768.44
  5. Step 5: Solve for x
    x = 57,703,768.44/8,976.39
  6. Step 6: Final answer
    x = 6,428.39

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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.