Home / 8,299.84-12,453.64-4,140.17

Finding the Fourth Proportional to 8,299.84, 12,453.64 and 4,140.17

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Solution

The fourth proportional to 8,299.84, 12,453.64 and 4,140.17 is: 6,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.84 : 12,453.64 = 4,140.17 : x
  2. Step 2: Convert to fraction form
    8,299.84/12,453.64 = 4,140.17/x
  3. Step 3: Cross multiply
    8,299.84x = 12,453.64 × 4,140.17
  4. Step 4: Simplify right side
    8,299.84x = 51,560,163.67
  5. Step 5: Solve for x
    x = 51,560,163.67/8,299.84
  6. Step 6: Final answer
    x = 6,212.19

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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.