Home / 4,214.52-6,321.50-1,292.80

Finding the Fourth Proportional to 4,214.52, 6,321.50 and 1,292.80

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Solution

The fourth proportional to 4,214.52, 6,321.50 and 1,292.80 is: 1,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.52 : 6,321.50 = 1,292.80 : x
  2. Step 2: Convert to fraction form
    4,214.52/6,321.50 = 1,292.80/x
  3. Step 3: Cross multiply
    4,214.52x = 6,321.50 × 1,292.80
  4. Step 4: Simplify right side
    4,214.52x = 8,172,446.33
  5. Step 5: Solve for x
    x = 8,172,446.33/4,214.52
  6. Step 6: Final answer
    x = 1,939.12

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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.