Home / 4,219.50-6,329.26-1,141.50

Finding the Fourth Proportional to 4,219.50, 6,329.26 and 1,141.50

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Solution

The fourth proportional to 4,219.50, 6,329.26 and 1,141.50 is: 1,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.50 : 6,329.26 = 1,141.50 : x
  2. Step 2: Convert to fraction form
    4,219.50/6,329.26 = 1,141.50/x
  3. Step 3: Cross multiply
    4,219.50x = 6,329.26 × 1,141.50
  4. Step 4: Simplify right side
    4,219.50x = 7,224,850.29
  5. Step 5: Solve for x
    x = 7,224,850.29/4,219.50
  6. Step 6: Final answer
    x = 1,712.25

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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.