Home / 4,213.33-6,319.91-1,872.70

Finding the Fourth Proportional to 4,213.33, 6,319.91 and 1,872.70

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Solution

The fourth proportional to 4,213.33, 6,319.91 and 1,872.70 is: 2,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.33 : 6,319.91 = 1,872.70 : x
  2. Step 2: Convert to fraction form
    4,213.33/6,319.91 = 1,872.70/x
  3. Step 3: Cross multiply
    4,213.33x = 6,319.91 × 1,872.70
  4. Step 4: Simplify right side
    4,213.33x = 11,835,295.46
  5. Step 5: Solve for x
    x = 11,835,295.46/4,213.33
  6. Step 6: Final answer
    x = 2,809.01

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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.