Home / 4,915.85-7,369.65-1,996.20

Finding the Fourth Proportional to 4,915.85, 7,369.65 and 1,996.20

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Solution

The fourth proportional to 4,915.85, 7,369.65 and 1,996.20 is: 2,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.85 : 7,369.65 = 1,996.20 : x
  2. Step 2: Convert to fraction form
    4,915.85/7,369.65 = 1,996.20/x
  3. Step 3: Cross multiply
    4,915.85x = 7,369.65 × 1,996.20
  4. Step 4: Simplify right side
    4,915.85x = 14,711,295.33
  5. Step 5: Solve for x
    x = 14,711,295.33/4,915.85
  6. Step 6: Final answer
    x = 2,992.63

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1.5x scale

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.