Home / 4,748.72-7,126.68-1,976.96

Finding the Fourth Proportional to 4,748.72, 7,126.68 and 1,976.96

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Solution

The fourth proportional to 4,748.72, 7,126.68 and 1,976.96 is: 2,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.72 : 7,126.68 = 1,976.96 : x
  2. Step 2: Convert to fraction form
    4,748.72/7,126.68 = 1,976.96/x
  3. Step 3: Cross multiply
    4,748.72x = 7,126.68 × 1,976.96
  4. Step 4: Simplify right side
    4,748.72x = 14,089,161.29
  5. Step 5: Solve for x
    x = 14,089,161.29/4,748.72
  6. Step 6: Final answer
    x = 2,966.94

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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.