Home / 7,633.78-11,439.73-4,339.91

Finding the Fourth Proportional to 7,633.78, 11,439.73 and 4,339.91

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Solution

The fourth proportional to 7,633.78, 11,439.73 and 4,339.91 is: 6,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.78 : 11,439.73 = 4,339.91 : x
  2. Step 2: Convert to fraction form
    7,633.78/11,439.73 = 4,339.91/x
  3. Step 3: Cross multiply
    7,633.78x = 11,439.73 × 4,339.91
  4. Step 4: Simplify right side
    7,633.78x = 49,647,432.65
  5. Step 5: Solve for x
    x = 49,647,432.65/7,633.78
  6. Step 6: Final answer
    x = 6,503.65

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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.