Home / 7,056.07-9,738.09-3,912.85

Finding the Fourth Proportional to 7,056.07, 9,738.09 and 3,912.85

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Solution

The fourth proportional to 7,056.07, 9,738.09 and 3,912.85 is: 5,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.07 : 9,738.09 = 3,912.85 : x
  2. Step 2: Convert to fraction form
    7,056.07/9,738.09 = 3,912.85/x
  3. Step 3: Cross multiply
    7,056.07x = 9,738.09 × 3,912.85
  4. Step 4: Simplify right side
    7,056.07x = 38,103,685.46
  5. Step 5: Solve for x
    x = 38,103,685.46/7,056.07
  6. Step 6: Final answer
    x = 5,400.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.