Home / 7,653.78-11,476.67-2,722.70

Finding the Fourth Proportional to 7,653.78, 11,476.67 and 2,722.70

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Solution

The fourth proportional to 7,653.78, 11,476.67 and 2,722.70 is: 4,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.78 : 11,476.67 = 2,722.70 : x
  2. Step 2: Convert to fraction form
    7,653.78/11,476.67 = 2,722.70/x
  3. Step 3: Cross multiply
    7,653.78x = 11,476.67 × 2,722.70
  4. Step 4: Simplify right side
    7,653.78x = 31,247,529.41
  5. Step 5: Solve for x
    x = 31,247,529.41/7,653.78
  6. Step 6: Final answer
    x = 4,082.63

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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.