Home / 4,755.42-7,129.26-1,984.17

Finding the Fourth Proportional to 4,755.42, 7,129.26 and 1,984.17

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Solution

The fourth proportional to 4,755.42, 7,129.26 and 1,984.17 is: 2,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.42 : 7,129.26 = 1,984.17 : x
  2. Step 2: Convert to fraction form
    4,755.42/7,129.26 = 1,984.17/x
  3. Step 3: Cross multiply
    4,755.42x = 7,129.26 × 1,984.17
  4. Step 4: Simplify right side
    4,755.42x = 14,145,663.81
  5. Step 5: Solve for x
    x = 14,145,663.81/4,755.42
  6. Step 6: Final answer
    x = 2,974.64

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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.