Home / 4,270.56-6,405.49-1,348.89

Finding the Fourth Proportional to 4,270.56, 6,405.49 and 1,348.89

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Solution

The fourth proportional to 4,270.56, 6,405.49 and 1,348.89 is: 2,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.56 : 6,405.49 = 1,348.89 : x
  2. Step 2: Convert to fraction form
    4,270.56/6,405.49 = 1,348.89/x
  3. Step 3: Cross multiply
    4,270.56x = 6,405.49 × 1,348.89
  4. Step 4: Simplify right side
    4,270.56x = 8,640,301.41
  5. Step 5: Solve for x
    x = 8,640,301.41/4,270.56
  6. Step 6: Final answer
    x = 2,023.22

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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.