Home / 4,479.45-6,717.49-1,358.54

Finding the Fourth Proportional to 4,479.45, 6,717.49 and 1,358.54

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Solution

The fourth proportional to 4,479.45, 6,717.49 and 1,358.54 is: 2,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.45 : 6,717.49 = 1,358.54 : x
  2. Step 2: Convert to fraction form
    4,479.45/6,717.49 = 1,358.54/x
  3. Step 3: Cross multiply
    4,479.45x = 6,717.49 × 1,358.54
  4. Step 4: Simplify right side
    4,479.45x = 9,125,992.26
  5. Step 5: Solve for x
    x = 9,125,992.26/4,479.45
  6. Step 6: Final answer
    x = 2,037.30

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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.