Home / 7,571.52-11,362.18-3,189.02

Finding the Fourth Proportional to 7,571.52, 11,362.18 and 3,189.02

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Solution

The fourth proportional to 7,571.52, 11,362.18 and 3,189.02 is: 4,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.52 : 11,362.18 = 3,189.02 : x
  2. Step 2: Convert to fraction form
    7,571.52/11,362.18 = 3,189.02/x
  3. Step 3: Cross multiply
    7,571.52x = 11,362.18 × 3,189.02
  4. Step 4: Simplify right side
    7,571.52x = 36,234,219.26
  5. Step 5: Solve for x
    x = 36,234,219.26/7,571.52
  6. Step 6: Final answer
    x = 4,785.59

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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.