Home / 4,930.76-6,800.60-2,940.89

Finding the Fourth Proportional to 4,930.76, 6,800.60 and 2,940.89

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Solution

The fourth proportional to 4,930.76, 6,800.60 and 2,940.89 is: 4,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.76 : 6,800.60 = 2,940.89 : x
  2. Step 2: Convert to fraction form
    4,930.76/6,800.60 = 2,940.89/x
  3. Step 3: Cross multiply
    4,930.76x = 6,800.60 × 2,940.89
  4. Step 4: Simplify right side
    4,930.76x = 19,999,767.83
  5. Step 5: Solve for x
    x = 19,999,767.83/4,930.76
  6. Step 6: Final answer
    x = 4,056.13

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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.