Home / 7,524.97-11,285.64-3,140.05

Finding the Fourth Proportional to 7,524.97, 11,285.64 and 3,140.05

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Solution

The fourth proportional to 7,524.97, 11,285.64 and 3,140.05 is: 4,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.97 : 11,285.64 = 3,140.05 : x
  2. Step 2: Convert to fraction form
    7,524.97/11,285.64 = 3,140.05/x
  3. Step 3: Cross multiply
    7,524.97x = 11,285.64 × 3,140.05
  4. Step 4: Simplify right side
    7,524.97x = 35,437,473.88
  5. Step 5: Solve for x
    x = 35,437,473.88/7,524.97
  6. Step 6: Final answer
    x = 4,709.32

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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.