Home / 4,680.56-7,022.46-1,906.40

Finding the Fourth Proportional to 4,680.56, 7,022.46 and 1,906.40

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Solution

The fourth proportional to 4,680.56, 7,022.46 and 1,906.40 is: 2,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.56 : 7,022.46 = 1,906.40 : x
  2. Step 2: Convert to fraction form
    4,680.56/7,022.46 = 1,906.40/x
  3. Step 3: Cross multiply
    4,680.56x = 7,022.46 × 1,906.40
  4. Step 4: Simplify right side
    4,680.56x = 13,387,617.74
  5. Step 5: Solve for x
    x = 13,387,617.74/4,680.56
  6. Step 6: Final answer
    x = 2,860.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.