Home / 4,141.87-6,212.84-1,220.23

Finding the Fourth Proportional to 4,141.87, 6,212.84 and 1,220.23

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Solution

The fourth proportional to 4,141.87, 6,212.84 and 1,220.23 is: 1,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.87 : 6,212.84 = 1,220.23 : x
  2. Step 2: Convert to fraction form
    4,141.87/6,212.84 = 1,220.23/x
  3. Step 3: Cross multiply
    4,141.87x = 6,212.84 × 1,220.23
  4. Step 4: Simplify right side
    4,141.87x = 7,581,093.75
  5. Step 5: Solve for x
    x = 7,581,093.75/4,141.87
  6. Step 6: Final answer
    x = 1,830.36

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Half scale
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Double scale
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1.5x scale

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.