Home / 4,226.78-6,340.59-1,453.08

Finding the Fourth Proportional to 4,226.78, 6,340.59 and 1,453.08

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Solution

The fourth proportional to 4,226.78, 6,340.59 and 1,453.08 is: 2,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.78 : 6,340.59 = 1,453.08 : x
  2. Step 2: Convert to fraction form
    4,226.78/6,340.59 = 1,453.08/x
  3. Step 3: Cross multiply
    4,226.78x = 6,340.59 × 1,453.08
  4. Step 4: Simplify right side
    4,226.78x = 9,213,384.52
  5. Step 5: Solve for x
    x = 9,213,384.52/4,226.78
  6. Step 6: Final answer
    x = 2,179.77

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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.