Home / 8,915.48-13,376.27-3,370.42

Finding the Fourth Proportional to 8,915.48, 13,376.27 and 3,370.42

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Solution

The fourth proportional to 8,915.48, 13,376.27 and 3,370.42 is: 5,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.48 : 13,376.27 = 3,370.42 : x
  2. Step 2: Convert to fraction form
    8,915.48/13,376.27 = 3,370.42/x
  3. Step 3: Cross multiply
    8,915.48x = 13,376.27 × 3,370.42
  4. Step 4: Simplify right side
    8,915.48x = 45,083,647.93
  5. Step 5: Solve for x
    x = 45,083,647.93/8,915.48
  6. Step 6: Final answer
    x = 5,056.78

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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.