Home / 4,450.76-6,139.96-2,879.36

Finding the Fourth Proportional to 4,450.76, 6,139.96 and 2,879.36

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Solution

The fourth proportional to 4,450.76, 6,139.96 and 2,879.36 is: 3,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.76 : 6,139.96 = 2,879.36 : x
  2. Step 2: Convert to fraction form
    4,450.76/6,139.96 = 2,879.36/x
  3. Step 3: Cross multiply
    4,450.76x = 6,139.96 × 2,879.36
  4. Step 4: Simplify right side
    4,450.76x = 17,679,155.23
  5. Step 5: Solve for x
    x = 17,679,155.23/4,450.76
  6. Step 6: Final answer
    x = 3,972.17

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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.