Home / 4,222.48-6,332.49-1,260.80

Finding the Fourth Proportional to 4,222.48, 6,332.49 and 1,260.80

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Solution

The fourth proportional to 4,222.48, 6,332.49 and 1,260.80 is: 1,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.48 : 6,332.49 = 1,260.80 : x
  2. Step 2: Convert to fraction form
    4,222.48/6,332.49 = 1,260.80/x
  3. Step 3: Cross multiply
    4,222.48x = 6,332.49 × 1,260.80
  4. Step 4: Simplify right side
    4,222.48x = 7,984,003.39
  5. Step 5: Solve for x
    x = 7,984,003.39/4,222.48
  6. Step 6: Final answer
    x = 1,890.83

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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.