Home / 9,315.73-13,975.62-3,077.11

Finding the Fourth Proportional to 9,315.73, 13,975.62 and 3,077.11

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Solution

The fourth proportional to 9,315.73, 13,975.62 and 3,077.11 is: 4,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.73 : 13,975.62 = 3,077.11 : x
  2. Step 2: Convert to fraction form
    9,315.73/13,975.62 = 3,077.11/x
  3. Step 3: Cross multiply
    9,315.73x = 13,975.62 × 3,077.11
  4. Step 4: Simplify right side
    9,315.73x = 43,004,520.06
  5. Step 5: Solve for x
    x = 43,004,520.06/9,315.73
  6. Step 6: Final answer
    x = 4,616.33

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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.