Home / 9,289.56-13,936.98-2,715.72

Finding the Fourth Proportional to 9,289.56, 13,936.98 and 2,715.72

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Solution

The fourth proportional to 9,289.56, 13,936.98 and 2,715.72 is: 4,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.56 : 13,936.98 = 2,715.72 : x
  2. Step 2: Convert to fraction form
    9,289.56/13,936.98 = 2,715.72/x
  3. Step 3: Cross multiply
    9,289.56x = 13,936.98 × 2,715.72
  4. Step 4: Simplify right side
    9,289.56x = 37,848,935.33
  5. Step 5: Solve for x
    x = 37,848,935.33/9,289.56
  6. Step 6: Final answer
    x = 4,074.35

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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.