Home / 9,858.78-14,787.36-2,933.28

Finding the Fourth Proportional to 9,858.78, 14,787.36 and 2,933.28

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Solution

The fourth proportional to 9,858.78, 14,787.36 and 2,933.28 is: 4,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.78 : 14,787.36 = 2,933.28 : x
  2. Step 2: Convert to fraction form
    9,858.78/14,787.36 = 2,933.28/x
  3. Step 3: Cross multiply
    9,858.78x = 14,787.36 × 2,933.28
  4. Step 4: Simplify right side
    9,858.78x = 43,375,467.34
  5. Step 5: Solve for x
    x = 43,375,467.34/9,858.78
  6. Step 6: Final answer
    x = 4,399.68

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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.