Home / 8,551.98-12,818.25-3,618.54

Finding the Fourth Proportional to 8,551.98, 12,818.25 and 3,618.54

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Solution

The fourth proportional to 8,551.98, 12,818.25 and 3,618.54 is: 5,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.98 : 12,818.25 = 3,618.54 : x
  2. Step 2: Convert to fraction form
    8,551.98/12,818.25 = 3,618.54/x
  3. Step 3: Cross multiply
    8,551.98x = 12,818.25 × 3,618.54
  4. Step 4: Simplify right side
    8,551.98x = 46,383,350.36
  5. Step 5: Solve for x
    x = 46,383,350.36/8,551.98
  6. Step 6: Final answer
    x = 5,423.70

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1.5x scale

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.