Home / 7,950.69-11,928.16-2,756.56

Finding the Fourth Proportional to 7,950.69, 11,928.16 and 2,756.56

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Solution

The fourth proportional to 7,950.69, 11,928.16 and 2,756.56 is: 4,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.69 : 11,928.16 = 2,756.56 : x
  2. Step 2: Convert to fraction form
    7,950.69/11,928.16 = 2,756.56/x
  3. Step 3: Cross multiply
    7,950.69x = 11,928.16 × 2,756.56
  4. Step 4: Simplify right side
    7,950.69x = 32,880,688.73
  5. Step 5: Solve for x
    x = 32,880,688.73/7,950.69
  6. Step 6: Final answer
    x = 4,135.58

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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.