Home / 4,747.29-7,120.95-1,460.37

Finding the Fourth Proportional to 4,747.29, 7,120.95 and 1,460.37

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Solution

The fourth proportional to 4,747.29, 7,120.95 and 1,460.37 is: 2,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.29 : 7,120.95 = 1,460.37 : x
  2. Step 2: Convert to fraction form
    4,747.29/7,120.95 = 1,460.37/x
  3. Step 3: Cross multiply
    4,747.29x = 7,120.95 × 1,460.37
  4. Step 4: Simplify right side
    4,747.29x = 10,399,221.75
  5. Step 5: Solve for x
    x = 10,399,221.75/4,747.29
  6. Step 6: Final answer
    x = 2,190.56

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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.