Home / 3,915.36-5,877.12-3,333.84

Finding the Fourth Proportional to 3,915.36, 5,877.12 and 3,333.84

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Solution

The fourth proportional to 3,915.36, 5,877.12 and 3,333.84 is: 5,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.36 : 5,877.12 = 3,333.84 : x
  2. Step 2: Convert to fraction form
    3,915.36/5,877.12 = 3,333.84/x
  3. Step 3: Cross multiply
    3,915.36x = 5,877.12 × 3,333.84
  4. Step 4: Simplify right side
    3,915.36x = 19,593,377.74
  5. Step 5: Solve for x
    x = 19,593,377.74/3,915.36
  6. Step 6: Final answer
    x = 5,004.23

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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.