Home / 8,529.48-12,786-4,371.44

Finding the Fourth Proportional to 8,529.48, 12,786 and 4,371.44

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Solution

The fourth proportional to 8,529.48, 12,786 and 4,371.44 is: 6,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.48 : 12,786 = 4,371.44 : x
  2. Step 2: Convert to fraction form
    8,529.48/12,786 = 4,371.44/x
  3. Step 3: Cross multiply
    8,529.48x = 12,786 × 4,371.44
  4. Step 4: Simplify right side
    8,529.48x = 55,893,231.84
  5. Step 5: Solve for x
    x = 55,893,231.84/8,529.48
  6. Step 6: Final answer
    x = 6,552.95

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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.