Home / 8,916.75-13,376.48-3,370.55

Finding the Fourth Proportional to 8,916.75, 13,376.48 and 3,370.55

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Solution

The fourth proportional to 8,916.75, 13,376.48 and 3,370.55 is: 5,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.75 : 13,376.48 = 3,370.55 : x
  2. Step 2: Convert to fraction form
    8,916.75/13,376.48 = 3,370.55/x
  3. Step 3: Cross multiply
    8,916.75x = 13,376.48 × 3,370.55
  4. Step 4: Simplify right side
    8,916.75x = 45,086,010.93
  5. Step 5: Solve for x
    x = 45,086,010.93/8,916.75
  6. Step 6: Final answer
    x = 5,056.33

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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.