Home / 8,962.84-13,439.94-2,721.80

Finding the Fourth Proportional to 8,962.84, 13,439.94 and 2,721.80

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Solution

The fourth proportional to 8,962.84, 13,439.94 and 2,721.80 is: 4,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.84 : 13,439.94 = 2,721.80 : x
  2. Step 2: Convert to fraction form
    8,962.84/13,439.94 = 2,721.80/x
  3. Step 3: Cross multiply
    8,962.84x = 13,439.94 × 2,721.80
  4. Step 4: Simplify right side
    8,962.84x = 36,580,828.69
  5. Step 5: Solve for x
    x = 36,580,828.69/8,962.84
  6. Step 6: Final answer
    x = 4,081.39

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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.