Home / 7,151.28-10,725.67-1,955.94

Finding the Fourth Proportional to 7,151.28, 10,725.67 and 1,955.94

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Solution

The fourth proportional to 7,151.28, 10,725.67 and 1,955.94 is: 2,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.28 : 10,725.67 = 1,955.94 : x
  2. Step 2: Convert to fraction form
    7,151.28/10,725.67 = 1,955.94/x
  3. Step 3: Cross multiply
    7,151.28x = 10,725.67 × 1,955.94
  4. Step 4: Simplify right side
    7,151.28x = 20,978,766.98
  5. Step 5: Solve for x
    x = 20,978,766.98/7,151.28
  6. Step 6: Final answer
    x = 2,933.57

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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.