Home / 4,200.68-6,304.91-2,122.15

Finding the Fourth Proportional to 4,200.68, 6,304.91 and 2,122.15

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Solution

The fourth proportional to 4,200.68, 6,304.91 and 2,122.15 is: 3,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.68 : 6,304.91 = 2,122.15 : x
  2. Step 2: Convert to fraction form
    4,200.68/6,304.91 = 2,122.15/x
  3. Step 3: Cross multiply
    4,200.68x = 6,304.91 × 2,122.15
  4. Step 4: Simplify right side
    4,200.68x = 13,379,941.51
  5. Step 5: Solve for x
    x = 13,379,941.51/4,200.68
  6. Step 6: Final answer
    x = 3,185.18

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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.