Home / 9,784.38-14,679.15-2,764.41

Finding the Fourth Proportional to 9,784.38, 14,679.15 and 2,764.41

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Solution

The fourth proportional to 9,784.38, 14,679.15 and 2,764.41 is: 4,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.38 : 14,679.15 = 2,764.41 : x
  2. Step 2: Convert to fraction form
    9,784.38/14,679.15 = 2,764.41/x
  3. Step 3: Cross multiply
    9,784.38x = 14,679.15 × 2,764.41
  4. Step 4: Simplify right side
    9,784.38x = 40,579,189.05
  5. Step 5: Solve for x
    x = 40,579,189.05/9,784.38
  6. Step 6: Final answer
    x = 4,147.34

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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.