Home / 4,219.45-6,333.03-2,140.89

Finding the Fourth Proportional to 4,219.45, 6,333.03 and 2,140.89

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Solution

The fourth proportional to 4,219.45, 6,333.03 and 2,140.89 is: 3,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.45 : 6,333.03 = 2,140.89 : x
  2. Step 2: Convert to fraction form
    4,219.45/6,333.03 = 2,140.89/x
  3. Step 3: Cross multiply
    4,219.45x = 6,333.03 × 2,140.89
  4. Step 4: Simplify right side
    4,219.45x = 13,558,320.60
  5. Step 5: Solve for x
    x = 13,558,320.60/4,219.45
  6. Step 6: Final answer
    x = 3,213.29

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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.