Home / 7,520.89-11,282.72-2,522.77

Finding the Fourth Proportional to 7,520.89, 11,282.72 and 2,522.77

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Solution

The fourth proportional to 7,520.89, 11,282.72 and 2,522.77 is: 3,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.89 : 11,282.72 = 2,522.77 : x
  2. Step 2: Convert to fraction form
    7,520.89/11,282.72 = 2,522.77/x
  3. Step 3: Cross multiply
    7,520.89x = 11,282.72 × 2,522.77
  4. Step 4: Simplify right side
    7,520.89x = 28,463,707.53
  5. Step 5: Solve for x
    x = 28,463,707.53/7,520.89
  6. Step 6: Final answer
    x = 3,784.62

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1.5x scale

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.