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Finding the Fourth Proportional to 5,535.95, 8,303.78 and 1,375.95

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Solution

The fourth proportional to 5,535.95, 8,303.78 and 1,375.95 is: 2,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.95 : 8,303.78 = 1,375.95 : x
  2. Step 2: Convert to fraction form
    5,535.95/8,303.78 = 1,375.95/x
  3. Step 3: Cross multiply
    5,535.95x = 8,303.78 × 1,375.95
  4. Step 4: Simplify right side
    5,535.95x = 11,425,620.67
  5. Step 5: Solve for x
    x = 11,425,620.67/5,535.95
  6. Step 6: Final answer
    x = 2,063.90

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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.