Home / 9,317.94-13,977.38-3,078.51

Finding the Fourth Proportional to 9,317.94, 13,977.38 and 3,078.51

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Solution

The fourth proportional to 9,317.94, 13,977.38 and 3,078.51 is: 4,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.94 : 13,977.38 = 3,078.51 : x
  2. Step 2: Convert to fraction form
    9,317.94/13,977.38 = 3,078.51/x
  3. Step 3: Cross multiply
    9,317.94x = 13,977.38 × 3,078.51
  4. Step 4: Simplify right side
    9,317.94x = 43,029,504.10
  5. Step 5: Solve for x
    x = 43,029,504.10/9,317.94
  6. Step 6: Final answer
    x = 4,617.92

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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.