Home / 8,484.11-12,721.54-2,936.99

Finding the Fourth Proportional to 8,484.11, 12,721.54 and 2,936.99

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Solution

The fourth proportional to 8,484.11, 12,721.54 and 2,936.99 is: 4,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.11 : 12,721.54 = 2,936.99 : x
  2. Step 2: Convert to fraction form
    8,484.11/12,721.54 = 2,936.99/x
  3. Step 3: Cross multiply
    8,484.11x = 12,721.54 × 2,936.99
  4. Step 4: Simplify right side
    8,484.11x = 37,363,021.08
  5. Step 5: Solve for x
    x = 37,363,021.08/8,484.11
  6. Step 6: Final answer
    x = 4,403.88

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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.