Home / 4,549.45-6,815.43-2,789.32

Finding the Fourth Proportional to 4,549.45, 6,815.43 and 2,789.32

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Solution

The fourth proportional to 4,549.45, 6,815.43 and 2,789.32 is: 4,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.45 : 6,815.43 = 2,789.32 : x
  2. Step 2: Convert to fraction form
    4,549.45/6,815.43 = 2,789.32/x
  3. Step 3: Cross multiply
    4,549.45x = 6,815.43 × 2,789.32
  4. Step 4: Simplify right side
    4,549.45x = 19,010,431.62
  5. Step 5: Solve for x
    x = 19,010,431.62/4,549.45
  6. Step 6: Final answer
    x = 4,178.62

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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.