Home / 4,274.80-6,412.38-1,353.22

Finding the Fourth Proportional to 4,274.80, 6,412.38 and 1,353.22

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Solution

The fourth proportional to 4,274.80, 6,412.38 and 1,353.22 is: 2,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.80 : 6,412.38 = 1,353.22 : x
  2. Step 2: Convert to fraction form
    4,274.80/6,412.38 = 1,353.22/x
  3. Step 3: Cross multiply
    4,274.80x = 6,412.38 × 1,353.22
  4. Step 4: Simplify right side
    4,274.80x = 8,677,360.86
  5. Step 5: Solve for x
    x = 8,677,360.86/4,274.80
  6. Step 6: Final answer
    x = 2,029.89

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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.