Home / 7,571.52-11,354.36-3,621.74

Finding the Fourth Proportional to 7,571.52, 11,354.36 and 3,621.74

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Solution

The fourth proportional to 7,571.52, 11,354.36 and 3,621.74 is: 5,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.52 : 11,354.36 = 3,621.74 : x
  2. Step 2: Convert to fraction form
    7,571.52/11,354.36 = 3,621.74/x
  3. Step 3: Cross multiply
    7,571.52x = 11,354.36 × 3,621.74
  4. Step 4: Simplify right side
    7,571.52x = 41,122,464.91
  5. Step 5: Solve for x
    x = 41,122,464.91/7,571.52
  6. Step 6: Final answer
    x = 5,431.20

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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.