Home / 4,878.09-7,316.66-1,367.78

Finding the Fourth Proportional to 4,878.09, 7,316.66 and 1,367.78

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Solution

The fourth proportional to 4,878.09, 7,316.66 and 1,367.78 is: 2,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.09 : 7,316.66 = 1,367.78 : x
  2. Step 2: Convert to fraction form
    4,878.09/7,316.66 = 1,367.78/x
  3. Step 3: Cross multiply
    4,878.09x = 7,316.66 × 1,367.78
  4. Step 4: Simplify right side
    4,878.09x = 10,007,548.05
  5. Step 5: Solve for x
    x = 10,007,548.05/4,878.09
  6. Step 6: Final answer
    x = 2,051.53

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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.