Home / 4,181.80-6,272.70-1,409.17

Finding the Fourth Proportional to 4,181.80, 6,272.70 and 1,409.17

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Solution

The fourth proportional to 4,181.80, 6,272.70 and 1,409.17 is: 2,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.80 : 6,272.70 = 1,409.17 : x
  2. Step 2: Convert to fraction form
    4,181.80/6,272.70 = 1,409.17/x
  3. Step 3: Cross multiply
    4,181.80x = 6,272.70 × 1,409.17
  4. Step 4: Simplify right side
    4,181.80x = 8,839,300.66
  5. Step 5: Solve for x
    x = 8,839,300.66/4,181.80
  6. Step 6: Final answer
    x = 2,113.76

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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.