Home / 8,392.86-12,586.59-2,769.26

Finding the Fourth Proportional to 8,392.86, 12,586.59 and 2,769.26

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Solution

The fourth proportional to 8,392.86, 12,586.59 and 2,769.26 is: 4,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.86 : 12,586.59 = 2,769.26 : x
  2. Step 2: Convert to fraction form
    8,392.86/12,586.59 = 2,769.26/x
  3. Step 3: Cross multiply
    8,392.86x = 12,586.59 × 2,769.26
  4. Step 4: Simplify right side
    8,392.86x = 34,855,571.69
  5. Step 5: Solve for x
    x = 34,855,571.69/8,392.86
  6. Step 6: Final answer
    x = 4,153.00

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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.