Home / 7,896.96-11,828.16-5,581.44

Finding the Fourth Proportional to 7,896.96, 11,828.16 and 5,581.44

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Solution

The fourth proportional to 7,896.96, 11,828.16 and 5,581.44 is: 8,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.96 : 11,828.16 = 5,581.44 : x
  2. Step 2: Convert to fraction form
    7,896.96/11,828.16 = 5,581.44/x
  3. Step 3: Cross multiply
    7,896.96x = 11,828.16 × 5,581.44
  4. Step 4: Simplify right side
    7,896.96x = 66,018,165.35
  5. Step 5: Solve for x
    x = 66,018,165.35/7,896.96
  6. Step 6: Final answer
    x = 8,359.95

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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.