Home / 7,520.58-11,282.39-5,181.71

Finding the Fourth Proportional to 7,520.58, 11,282.39 and 5,181.71

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Solution

The fourth proportional to 7,520.58, 11,282.39 and 5,181.71 is: 7,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.58 : 11,282.39 = 5,181.71 : x
  2. Step 2: Convert to fraction form
    7,520.58/11,282.39 = 5,181.71/x
  3. Step 3: Cross multiply
    7,520.58x = 11,282.39 × 5,181.71
  4. Step 4: Simplify right side
    7,520.58x = 58,462,010.20
  5. Step 5: Solve for x
    x = 58,462,010.20/7,520.58
  6. Step 6: Final answer
    x = 7,773.60

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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.