Home / 7,715.06-11,573.26-2,168.45

Finding the Fourth Proportional to 7,715.06, 11,573.26 and 2,168.45

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Solution

The fourth proportional to 7,715.06, 11,573.26 and 2,168.45 is: 3,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.06 : 11,573.26 = 2,168.45 : x
  2. Step 2: Convert to fraction form
    7,715.06/11,573.26 = 2,168.45/x
  3. Step 3: Cross multiply
    7,715.06x = 11,573.26 × 2,168.45
  4. Step 4: Simplify right side
    7,715.06x = 25,096,035.65
  5. Step 5: Solve for x
    x = 25,096,035.65/7,715.06
  6. Step 6: Final answer
    x = 3,252.86

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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.