Home / 7,828.83-11,715.30-6,800.94

Finding the Fourth Proportional to 7,828.83, 11,715.30 and 6,800.94

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Solution

The fourth proportional to 7,828.83, 11,715.30 and 6,800.94 is: 10,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.83 : 11,715.30 = 6,800.94 : x
  2. Step 2: Convert to fraction form
    7,828.83/11,715.30 = 6,800.94/x
  3. Step 3: Cross multiply
    7,828.83x = 11,715.30 × 6,800.94
  4. Step 4: Simplify right side
    7,828.83x = 79,675,052.38
  5. Step 5: Solve for x
    x = 79,675,052.38/7,828.83
  6. Step 6: Final answer
    x = 10,177.13

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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.