Home / 9,783.36-14,675.52-3,939.18

Finding the Fourth Proportional to 9,783.36, 14,675.52 and 3,939.18

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Solution

The fourth proportional to 9,783.36, 14,675.52 and 3,939.18 is: 5,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.36 : 14,675.52 = 3,939.18 : x
  2. Step 2: Convert to fraction form
    9,783.36/14,675.52 = 3,939.18/x
  3. Step 3: Cross multiply
    9,783.36x = 14,675.52 × 3,939.18
  4. Step 4: Simplify right side
    9,783.36x = 57,809,514.87
  5. Step 5: Solve for x
    x = 57,809,514.87/9,783.36
  6. Step 6: Final answer
    x = 5,908.96

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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.