Home / 9,278.12-13,919.48-2,704.36

Finding the Fourth Proportional to 9,278.12, 13,919.48 and 2,704.36

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Solution

The fourth proportional to 9,278.12, 13,919.48 and 2,704.36 is: 4,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.12 : 13,919.48 = 2,704.36 : x
  2. Step 2: Convert to fraction form
    9,278.12/13,919.48 = 2,704.36/x
  3. Step 3: Cross multiply
    9,278.12x = 13,919.48 × 2,704.36
  4. Step 4: Simplify right side
    9,278.12x = 37,643,284.93
  5. Step 5: Solve for x
    x = 37,643,284.93/9,278.12
  6. Step 6: Final answer
    x = 4,057.21

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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.