Home / 7,520.72-11,272.34-2,837.72

Finding the Fourth Proportional to 7,520.72, 11,272.34 and 2,837.72

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Solution

The fourth proportional to 7,520.72, 11,272.34 and 2,837.72 is: 4,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.72 : 11,272.34 = 2,837.72 : x
  2. Step 2: Convert to fraction form
    7,520.72/11,272.34 = 2,837.72/x
  3. Step 3: Cross multiply
    7,520.72x = 11,272.34 × 2,837.72
  4. Step 4: Simplify right side
    7,520.72x = 31,987,674.11
  5. Step 5: Solve for x
    x = 31,987,674.11/7,520.72
  6. Step 6: Final answer
    x = 4,253.28

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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.