Home / 4,928.66-6,802.62-2,939.60

Finding the Fourth Proportional to 4,928.66, 6,802.62 and 2,939.60

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Solution

The fourth proportional to 4,928.66, 6,802.62 and 2,939.60 is: 4,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.66 : 6,802.62 = 2,939.60 : x
  2. Step 2: Convert to fraction form
    4,928.66/6,802.62 = 2,939.60/x
  3. Step 3: Cross multiply
    4,928.66x = 6,802.62 × 2,939.60
  4. Step 4: Simplify right side
    4,928.66x = 19,996,981.75
  5. Step 5: Solve for x
    x = 19,996,981.75/4,928.66
  6. Step 6: Final answer
    x = 4,057.29

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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.