Home / 8,915.02-13,372.68-3,370.99

Finding the Fourth Proportional to 8,915.02, 13,372.68 and 3,370.99

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Solution

The fourth proportional to 8,915.02, 13,372.68 and 3,370.99 is: 5,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.02 : 13,372.68 = 3,370.99 : x
  2. Step 2: Convert to fraction form
    8,915.02/13,372.68 = 3,370.99/x
  3. Step 3: Cross multiply
    8,915.02x = 13,372.68 × 3,370.99
  4. Step 4: Simplify right side
    8,915.02x = 45,079,124.48
  5. Step 5: Solve for x
    x = 45,079,124.48/8,915.02
  6. Step 6: Final answer
    x = 5,056.54

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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.