Home / 9,419.49-14,135.85-3,877.88

Finding the Fourth Proportional to 9,419.49, 14,135.85 and 3,877.88

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Solution

The fourth proportional to 9,419.49, 14,135.85 and 3,877.88 is: 5,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.49 : 14,135.85 = 3,877.88 : x
  2. Step 2: Convert to fraction form
    9,419.49/14,135.85 = 3,877.88/x
  3. Step 3: Cross multiply
    9,419.49x = 14,135.85 × 3,877.88
  4. Step 4: Simplify right side
    9,419.49x = 54,817,059.32
  5. Step 5: Solve for x
    x = 54,817,059.32/9,419.49
  6. Step 6: Final answer
    x = 5,819.54

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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.