Home / 7,520.94-11,280.69-2,589.90

Finding the Fourth Proportional to 7,520.94, 11,280.69 and 2,589.90

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Solution

The fourth proportional to 7,520.94, 11,280.69 and 2,589.90 is: 3,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.94 : 11,280.69 = 2,589.90 : x
  2. Step 2: Convert to fraction form
    7,520.94/11,280.69 = 2,589.90/x
  3. Step 3: Cross multiply
    7,520.94x = 11,280.69 × 2,589.90
  4. Step 4: Simplify right side
    7,520.94x = 29,215,859.03
  5. Step 5: Solve for x
    x = 29,215,859.03/7,520.94
  6. Step 6: Final answer
    x = 3,884.60

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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.