Home / 9,778.49-14,667.96-2,758.46

Finding the Fourth Proportional to 9,778.49, 14,667.96 and 2,758.46

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Solution

The fourth proportional to 9,778.49, 14,667.96 and 2,758.46 is: 4,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.49 : 14,667.96 = 2,758.46 : x
  2. Step 2: Convert to fraction form
    9,778.49/14,667.96 = 2,758.46/x
  3. Step 3: Cross multiply
    9,778.49x = 14,667.96 × 2,758.46
  4. Step 4: Simplify right side
    9,778.49x = 40,460,907.60
  5. Step 5: Solve for x
    x = 40,460,907.60/9,778.49
  6. Step 6: Final answer
    x = 4,137.75

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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.