Home / 7,755.52-10,704.96-5,272.96

Finding the Fourth Proportional to 7,755.52, 10,704.96 and 5,272.96

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Solution

The fourth proportional to 7,755.52, 10,704.96 and 5,272.96 is: 7,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.52 : 10,704.96 = 5,272.96 : x
  2. Step 2: Convert to fraction form
    7,755.52/10,704.96 = 5,272.96/x
  3. Step 3: Cross multiply
    7,755.52x = 10,704.96 × 5,272.96
  4. Step 4: Simplify right side
    7,755.52x = 56,446,825.88
  5. Step 5: Solve for x
    x = 56,446,825.88/7,755.52
  6. Step 6: Final answer
    x = 7,278.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.