Home / 9,941.40-14,909.80-2,919.54

Finding the Fourth Proportional to 9,941.40, 14,909.80 and 2,919.54

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Solution

The fourth proportional to 9,941.40, 14,909.80 and 2,919.54 is: 4,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.40 : 14,909.80 = 2,919.54 : x
  2. Step 2: Convert to fraction form
    9,941.40/14,909.80 = 2,919.54/x
  3. Step 3: Cross multiply
    9,941.40x = 14,909.80 × 2,919.54
  4. Step 4: Simplify right side
    9,941.40x = 43,529,757.49
  5. Step 5: Solve for x
    x = 43,529,757.49/9,941.40
  6. Step 6: Final answer
    x = 4,378.63

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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.