Home / 8,348.88-11,518.84-4,811.64

Finding the Fourth Proportional to 8,348.88, 11,518.84 and 4,811.64

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Solution

The fourth proportional to 8,348.88, 11,518.84 and 4,811.64 is: 6,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.88 : 11,518.84 = 4,811.64 : x
  2. Step 2: Convert to fraction form
    8,348.88/11,518.84 = 4,811.64/x
  3. Step 3: Cross multiply
    8,348.88x = 11,518.84 × 4,811.64
  4. Step 4: Simplify right side
    8,348.88x = 55,424,511.30
  5. Step 5: Solve for x
    x = 55,424,511.30/8,348.88
  6. Step 6: Final answer
    x = 6,638.56

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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.