Home / 8,915.82-13,376.76-3,370.74

Finding the Fourth Proportional to 8,915.82, 13,376.76 and 3,370.74

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Solution

The fourth proportional to 8,915.82, 13,376.76 and 3,370.74 is: 5,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.82 : 13,376.76 = 3,370.74 : x
  2. Step 2: Convert to fraction form
    8,915.82/13,376.76 = 3,370.74/x
  3. Step 3: Cross multiply
    8,915.82x = 13,376.76 × 3,370.74
  4. Step 4: Simplify right side
    8,915.82x = 45,089,580.00
  5. Step 5: Solve for x
    x = 45,089,580.00/8,915.82
  6. Step 6: Final answer
    x = 5,057.26

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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.