Home / 8,743.36-12,063.84-5,208

Finding the Fourth Proportional to 8,743.36, 12,063.84 and 5,208

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Solution

The fourth proportional to 8,743.36, 12,063.84 and 5,208 is: 7,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.36 : 12,063.84 = 5,208 : x
  2. Step 2: Convert to fraction form
    8,743.36/12,063.84 = 5,208/x
  3. Step 3: Cross multiply
    8,743.36x = 12,063.84 × 5,208
  4. Step 4: Simplify right side
    8,743.36x = 62,828,478.72
  5. Step 5: Solve for x
    x = 62,828,478.72/8,743.36
  6. Step 6: Final answer
    x = 7,185.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.