Home / 8,962.77-13,439.79-2,721.63

Finding the Fourth Proportional to 8,962.77, 13,439.79 and 2,721.63

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Solution

The fourth proportional to 8,962.77, 13,439.79 and 2,721.63 is: 4,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.77 : 13,439.79 = 2,721.63 : x
  2. Step 2: Convert to fraction form
    8,962.77/13,439.79 = 2,721.63/x
  3. Step 3: Cross multiply
    8,962.77x = 13,439.79 × 2,721.63
  4. Step 4: Simplify right side
    8,962.77x = 36,578,135.66
  5. Step 5: Solve for x
    x = 36,578,135.66/8,962.77
  6. Step 6: Final answer
    x = 4,081.12

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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.