Home / 9,290.50-13,939.85-3,754.65

Finding the Fourth Proportional to 9,290.50, 13,939.85 and 3,754.65

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Solution

The fourth proportional to 9,290.50, 13,939.85 and 3,754.65 is: 5,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.50 : 13,939.85 = 3,754.65 : x
  2. Step 2: Convert to fraction form
    9,290.50/13,939.85 = 3,754.65/x
  3. Step 3: Cross multiply
    9,290.50x = 13,939.85 × 3,754.65
  4. Step 4: Simplify right side
    9,290.50x = 52,339,298.34
  5. Step 5: Solve for x
    x = 52,339,298.34/9,290.50
  6. Step 6: Final answer
    x = 5,633.64

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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.