Home / 4,999.05-6,890.99-3,738.20

Finding the Fourth Proportional to 4,999.05, 6,890.99 and 3,738.20

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Solution

The fourth proportional to 4,999.05, 6,890.99 and 3,738.20 is: 5,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.05 : 6,890.99 = 3,738.20 : x
  2. Step 2: Convert to fraction form
    4,999.05/6,890.99 = 3,738.20/x
  3. Step 3: Cross multiply
    4,999.05x = 6,890.99 × 3,738.20
  4. Step 4: Simplify right side
    4,999.05x = 25,759,845.67
  5. Step 5: Solve for x
    x = 25,759,845.67/4,999.05
  6. Step 6: Final answer
    x = 5,152.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.