Home / 8,148.75-11,243.84-5,005.95

Finding the Fourth Proportional to 8,148.75, 11,243.84 and 5,005.95

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Solution

The fourth proportional to 8,148.75, 11,243.84 and 5,005.95 is: 6,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.75 : 11,243.84 = 5,005.95 : x
  2. Step 2: Convert to fraction form
    8,148.75/11,243.84 = 5,005.95/x
  3. Step 3: Cross multiply
    8,148.75x = 11,243.84 × 5,005.95
  4. Step 4: Simplify right side
    8,148.75x = 56,286,044.63
  5. Step 5: Solve for x
    x = 56,286,044.63/8,148.75
  6. Step 6: Final answer
    x = 6,907.33

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1.5x scale

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.