Home / 7,720.16-11,581.32-2,524.72

Finding the Fourth Proportional to 7,720.16, 11,581.32 and 2,524.72

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Solution

The fourth proportional to 7,720.16, 11,581.32 and 2,524.72 is: 3,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.16 : 11,581.32 = 2,524.72 : x
  2. Step 2: Convert to fraction form
    7,720.16/11,581.32 = 2,524.72/x
  3. Step 3: Cross multiply
    7,720.16x = 11,581.32 × 2,524.72
  4. Step 4: Simplify right side
    7,720.16x = 29,239,590.23
  5. Step 5: Solve for x
    x = 29,239,590.23/7,720.16
  6. Step 6: Final answer
    x = 3,787.43

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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.