Home / 8,376.50-12,555.99-2,827.94

Finding the Fourth Proportional to 8,376.50, 12,555.99 and 2,827.94

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Solution

The fourth proportional to 8,376.50, 12,555.99 and 2,827.94 is: 4,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.50 : 12,555.99 = 2,827.94 : x
  2. Step 2: Convert to fraction form
    8,376.50/12,555.99 = 2,827.94/x
  3. Step 3: Cross multiply
    8,376.50x = 12,555.99 × 2,827.94
  4. Step 4: Simplify right side
    8,376.50x = 35,507,586.36
  5. Step 5: Solve for x
    x = 35,507,586.36/8,376.50
  6. Step 6: Final answer
    x = 4,238.95

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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.