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Finding the Fourth Proportional to 4,375.82, 6,555.99 and 2,984.65

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Solution

The fourth proportional to 4,375.82, 6,555.99 and 2,984.65 is: 4,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.82 : 6,555.99 = 2,984.65 : x
  2. Step 2: Convert to fraction form
    4,375.82/6,555.99 = 2,984.65/x
  3. Step 3: Cross multiply
    4,375.82x = 6,555.99 × 2,984.65
  4. Step 4: Simplify right side
    4,375.82x = 19,567,313.57
  5. Step 5: Solve for x
    x = 19,567,313.57/4,375.82
  6. Step 6: Final answer
    x = 4,471.69

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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.