Home / 9,420.44-14,137.32-3,878.84

Finding the Fourth Proportional to 9,420.44, 14,137.32 and 3,878.84

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Solution

The fourth proportional to 9,420.44, 14,137.32 and 3,878.84 is: 5,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.44 : 14,137.32 = 3,878.84 : x
  2. Step 2: Convert to fraction form
    9,420.44/14,137.32 = 3,878.84/x
  3. Step 3: Cross multiply
    9,420.44x = 14,137.32 × 3,878.84
  4. Step 4: Simplify right side
    9,420.44x = 54,836,402.31
  5. Step 5: Solve for x
    x = 54,836,402.31/9,420.44
  6. Step 6: Final answer
    x = 5,821.00

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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.