Home / 7,571.16-11,357.28-2,380.68

Finding the Fourth Proportional to 7,571.16, 11,357.28 and 2,380.68

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Solution

The fourth proportional to 7,571.16, 11,357.28 and 2,380.68 is: 3,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.16 : 11,357.28 = 2,380.68 : x
  2. Step 2: Convert to fraction form
    7,571.16/11,357.28 = 2,380.68/x
  3. Step 3: Cross multiply
    7,571.16x = 11,357.28 × 2,380.68
  4. Step 4: Simplify right side
    7,571.16x = 27,038,049.35
  5. Step 5: Solve for x
    x = 27,038,049.35/7,571.16
  6. Step 6: Final answer
    x = 3,571.19

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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.