Home / 4,941.30-7,412.08-1,939.22

Finding the Fourth Proportional to 4,941.30, 7,412.08 and 1,939.22

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Solution

The fourth proportional to 4,941.30, 7,412.08 and 1,939.22 is: 2,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.30 : 7,412.08 = 1,939.22 : x
  2. Step 2: Convert to fraction form
    4,941.30/7,412.08 = 1,939.22/x
  3. Step 3: Cross multiply
    4,941.30x = 7,412.08 × 1,939.22
  4. Step 4: Simplify right side
    4,941.30x = 14,373,609.45
  5. Step 5: Solve for x
    x = 14,373,609.45/4,941.30
  6. Step 6: Final answer
    x = 2,908.87

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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.