Home / 8,153.92-12,215.32-4,396.37

Finding the Fourth Proportional to 8,153.92, 12,215.32 and 4,396.37

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Solution

The fourth proportional to 8,153.92, 12,215.32 and 4,396.37 is: 6,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.92 : 12,215.32 = 4,396.37 : x
  2. Step 2: Convert to fraction form
    8,153.92/12,215.32 = 4,396.37/x
  3. Step 3: Cross multiply
    8,153.92x = 12,215.32 × 4,396.37
  4. Step 4: Simplify right side
    8,153.92x = 53,703,085.94
  5. Step 5: Solve for x
    x = 53,703,085.94/8,153.92
  6. Step 6: Final answer
    x = 6,586.17

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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.