Home / 7,519.46-11,280.71-2,589.30

Finding the Fourth Proportional to 7,519.46, 11,280.71 and 2,589.30

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Solution

The fourth proportional to 7,519.46, 11,280.71 and 2,589.30 is: 3,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.46 : 11,280.71 = 2,589.30 : x
  2. Step 2: Convert to fraction form
    7,519.46/11,280.71 = 2,589.30/x
  3. Step 3: Cross multiply
    7,519.46x = 11,280.71 × 2,589.30
  4. Step 4: Simplify right side
    7,519.46x = 29,209,148.88
  5. Step 5: Solve for x
    x = 29,209,148.88/7,519.46
  6. Step 6: Final answer
    x = 3,884.48

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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.