Home / 4,930.40-6,803.20-2,940.96

Finding the Fourth Proportional to 4,930.40, 6,803.20 and 2,940.96

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Solution

The fourth proportional to 4,930.40, 6,803.20 and 2,940.96 is: 4,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.40 : 6,803.20 = 2,940.96 : x
  2. Step 2: Convert to fraction form
    4,930.40/6,803.20 = 2,940.96/x
  3. Step 3: Cross multiply
    4,930.40x = 6,803.20 × 2,940.96
  4. Step 4: Simplify right side
    4,930.40x = 20,007,939.07
  5. Step 5: Solve for x
    x = 20,007,939.07/4,930.40
  6. Step 6: Final answer
    x = 4,058.08

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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.