Home / 8,920.50-13,370.31-3,071.94

Finding the Fourth Proportional to 8,920.50, 13,370.31 and 3,071.94

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Solution

The fourth proportional to 8,920.50, 13,370.31 and 3,071.94 is: 4,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.50 : 13,370.31 = 3,071.94 : x
  2. Step 2: Convert to fraction form
    8,920.50/13,370.31 = 3,071.94/x
  3. Step 3: Cross multiply
    8,920.50x = 13,370.31 × 3,071.94
  4. Step 4: Simplify right side
    8,920.50x = 41,072,790.10
  5. Step 5: Solve for x
    x = 41,072,790.10/8,920.50
  6. Step 6: Final answer
    x = 4,604.31

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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.