Home / 7,639.84-11,458.92-2,093.68

Finding the Fourth Proportional to 7,639.84, 11,458.92 and 2,093.68

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Solution

The fourth proportional to 7,639.84, 11,458.92 and 2,093.68 is: 3,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.84 : 11,458.92 = 2,093.68 : x
  2. Step 2: Convert to fraction form
    7,639.84/11,458.92 = 2,093.68/x
  3. Step 3: Cross multiply
    7,639.84x = 11,458.92 × 2,093.68
  4. Step 4: Simplify right side
    7,639.84x = 23,991,311.63
  5. Step 5: Solve for x
    x = 23,991,311.63/7,639.84
  6. Step 6: Final answer
    x = 3,140.29

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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.