Home / 7,758.50-11,639.68-2,493.99

Finding the Fourth Proportional to 7,758.50, 11,639.68 and 2,493.99

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Solution

The fourth proportional to 7,758.50, 11,639.68 and 2,493.99 is: 3,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.50 : 11,639.68 = 2,493.99 : x
  2. Step 2: Convert to fraction form
    7,758.50/11,639.68 = 2,493.99/x
  3. Step 3: Cross multiply
    7,758.50x = 11,639.68 × 2,493.99
  4. Step 4: Simplify right side
    7,758.50x = 29,029,239.29
  5. Step 5: Solve for x
    x = 29,029,239.29/7,758.50
  6. Step 6: Final answer
    x = 3,741.61

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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.