Home / 4,518.87-6,238.31-2,841.20

Finding the Fourth Proportional to 4,518.87, 6,238.31 and 2,841.20

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Solution

The fourth proportional to 4,518.87, 6,238.31 and 2,841.20 is: 3,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.87 : 6,238.31 = 2,841.20 : x
  2. Step 2: Convert to fraction form
    4,518.87/6,238.31 = 2,841.20/x
  3. Step 3: Cross multiply
    4,518.87x = 6,238.31 × 2,841.20
  4. Step 4: Simplify right side
    4,518.87x = 17,724,289.90
  5. Step 5: Solve for x
    x = 17,724,289.90/4,518.87
  6. Step 6: Final answer
    x = 3,922.28

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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.