Home / 5,204.43-7,801.90-1,915.23

Finding the Fourth Proportional to 5,204.43, 7,801.90 and 1,915.23

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Solution

The fourth proportional to 5,204.43, 7,801.90 and 1,915.23 is: 2,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.43 : 7,801.90 = 1,915.23 : x
  2. Step 2: Convert to fraction form
    5,204.43/7,801.90 = 1,915.23/x
  3. Step 3: Cross multiply
    5,204.43x = 7,801.90 × 1,915.23
  4. Step 4: Simplify right side
    5,204.43x = 14,942,389.14
  5. Step 5: Solve for x
    x = 14,942,389.14/5,204.43
  6. Step 6: Final answer
    x = 2,871.09

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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.