Home / 4,783.19-7,179.53-3,915.99

Finding the Fourth Proportional to 4,783.19, 7,179.53 and 3,915.99

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Solution

The fourth proportional to 4,783.19, 7,179.53 and 3,915.99 is: 5,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.19 : 7,179.53 = 3,915.99 : x
  2. Step 2: Convert to fraction form
    4,783.19/7,179.53 = 3,915.99/x
  3. Step 3: Cross multiply
    4,783.19x = 7,179.53 × 3,915.99
  4. Step 4: Simplify right side
    4,783.19x = 28,114,948.10
  5. Step 5: Solve for x
    x = 28,114,948.10/4,783.19
  6. Step 6: Final answer
    x = 5,877.87

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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.