Home / 9,783.07-14,674.45-3,939.54

Finding the Fourth Proportional to 9,783.07, 14,674.45 and 3,939.54

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Solution

The fourth proportional to 9,783.07, 14,674.45 and 3,939.54 is: 5,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.07 : 14,674.45 = 3,939.54 : x
  2. Step 2: Convert to fraction form
    9,783.07/14,674.45 = 3,939.54/x
  3. Step 3: Cross multiply
    9,783.07x = 14,674.45 × 3,939.54
  4. Step 4: Simplify right side
    9,783.07x = 57,810,582.75
  5. Step 5: Solve for x
    x = 57,810,582.75/9,783.07
  6. Step 6: Final answer
    x = 5,909.25

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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.