Home / 9,618.26-14,428.24-2,692.78

Finding the Fourth Proportional to 9,618.26, 14,428.24 and 2,692.78

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Solution

The fourth proportional to 9,618.26, 14,428.24 and 2,692.78 is: 4,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.26 : 14,428.24 = 2,692.78 : x
  2. Step 2: Convert to fraction form
    9,618.26/14,428.24 = 2,692.78/x
  3. Step 3: Cross multiply
    9,618.26x = 14,428.24 × 2,692.78
  4. Step 4: Simplify right side
    9,618.26x = 38,852,076.11
  5. Step 5: Solve for x
    x = 38,852,076.11/9,618.26
  6. Step 6: Final answer
    x = 4,039.41

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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.