Home / 8,288.73-12,428.97-3,544.15

Finding the Fourth Proportional to 8,288.73, 12,428.97 and 3,544.15

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Solution

The fourth proportional to 8,288.73, 12,428.97 and 3,544.15 is: 5,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.73 : 12,428.97 = 3,544.15 : x
  2. Step 2: Convert to fraction form
    8,288.73/12,428.97 = 3,544.15/x
  3. Step 3: Cross multiply
    8,288.73x = 12,428.97 × 3,544.15
  4. Step 4: Simplify right side
    8,288.73x = 44,050,134.03
  5. Step 5: Solve for x
    x = 44,050,134.03/8,288.73
  6. Step 6: Final answer
    x = 5,314.46

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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.