Home / 7,491.42-11,241.57-3,981.30

Finding the Fourth Proportional to 7,491.42, 11,241.57 and 3,981.30

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Solution

The fourth proportional to 7,491.42, 11,241.57 and 3,981.30 is: 5,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.42 : 11,241.57 = 3,981.30 : x
  2. Step 2: Convert to fraction form
    7,491.42/11,241.57 = 3,981.30/x
  3. Step 3: Cross multiply
    7,491.42x = 11,241.57 × 3,981.30
  4. Step 4: Simplify right side
    7,491.42x = 44,756,062.64
  5. Step 5: Solve for x
    x = 44,756,062.64/7,491.42
  6. Step 6: Final answer
    x = 5,974.31

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1.5x scale

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.