Home / 4,939.98-6,821.10-3,054.30

Finding the Fourth Proportional to 4,939.98, 6,821.10 and 3,054.30

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Solution

The fourth proportional to 4,939.98, 6,821.10 and 3,054.30 is: 4,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.98 : 6,821.10 = 3,054.30 : x
  2. Step 2: Convert to fraction form
    4,939.98/6,821.10 = 3,054.30/x
  3. Step 3: Cross multiply
    4,939.98x = 6,821.10 × 3,054.30
  4. Step 4: Simplify right side
    4,939.98x = 20,833,685.73
  5. Step 5: Solve for x
    x = 20,833,685.73/4,939.98
  6. Step 6: Final answer
    x = 4,217.36

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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.