Home / 4,491.05-6,201.56-2,815.33

Finding the Fourth Proportional to 4,491.05, 6,201.56 and 2,815.33

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Solution

The fourth proportional to 4,491.05, 6,201.56 and 2,815.33 is: 3,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.05 : 6,201.56 = 2,815.33 : x
  2. Step 2: Convert to fraction form
    4,491.05/6,201.56 = 2,815.33/x
  3. Step 3: Cross multiply
    4,491.05x = 6,201.56 × 2,815.33
  4. Step 4: Simplify right side
    4,491.05x = 17,459,437.91
  5. Step 5: Solve for x
    x = 17,459,437.91/4,491.05
  6. Step 6: Final answer
    x = 3,887.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.