Home / 7,828.20-11,750.94-6,195.24

Finding the Fourth Proportional to 7,828.20, 11,750.94 and 6,195.24

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Solution

The fourth proportional to 7,828.20, 11,750.94 and 6,195.24 is: 9,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.20 : 11,750.94 = 6,195.24 : x
  2. Step 2: Convert to fraction form
    7,828.20/11,750.94 = 6,195.24/x
  3. Step 3: Cross multiply
    7,828.20x = 11,750.94 × 6,195.24
  4. Step 4: Simplify right side
    7,828.20x = 72,799,893.53
  5. Step 5: Solve for x
    x = 72,799,893.53/7,828.20
  6. Step 6: Final answer
    x = 9,299.70

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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.