Home / 9,317.89-13,977.27-3,078.46

Finding the Fourth Proportional to 9,317.89, 13,977.27 and 3,078.46

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Solution

The fourth proportional to 9,317.89, 13,977.27 and 3,078.46 is: 4,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.89 : 13,977.27 = 3,078.46 : x
  2. Step 2: Convert to fraction form
    9,317.89/13,977.27 = 3,078.46/x
  3. Step 3: Cross multiply
    9,317.89x = 13,977.27 × 3,078.46
  4. Step 4: Simplify right side
    9,317.89x = 43,028,381.33
  5. Step 5: Solve for x
    x = 43,028,381.33/9,317.89
  6. Step 6: Final answer
    x = 4,617.83

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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.