Home / 4,448.67-6,139.27-2,879.50

Finding the Fourth Proportional to 4,448.67, 6,139.27 and 2,879.50

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Solution

The fourth proportional to 4,448.67, 6,139.27 and 2,879.50 is: 3,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.67 : 6,139.27 = 2,879.50 : x
  2. Step 2: Convert to fraction form
    4,448.67/6,139.27 = 2,879.50/x
  3. Step 3: Cross multiply
    4,448.67x = 6,139.27 × 2,879.50
  4. Step 4: Simplify right side
    4,448.67x = 17,678,019.63
  5. Step 5: Solve for x
    x = 17,678,019.63/4,448.67
  6. Step 6: Final answer
    x = 3,973.77

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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.