Home / 4,214.18-6,321.29-1,292.49

Finding the Fourth Proportional to 4,214.18, 6,321.29 and 1,292.49

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Solution

The fourth proportional to 4,214.18, 6,321.29 and 1,292.49 is: 1,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.18 : 6,321.29 = 1,292.49 : x
  2. Step 2: Convert to fraction form
    4,214.18/6,321.29 = 1,292.49/x
  3. Step 3: Cross multiply
    4,214.18x = 6,321.29 × 1,292.49
  4. Step 4: Simplify right side
    4,214.18x = 8,170,197.65
  5. Step 5: Solve for x
    x = 8,170,197.65/4,214.18
  6. Step 6: Final answer
    x = 1,938.74

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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.