Home / 7,571.03-11,356.61-2,889.78

Finding the Fourth Proportional to 7,571.03, 11,356.61 and 2,889.78

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Solution

The fourth proportional to 7,571.03, 11,356.61 and 2,889.78 is: 4,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.03 : 11,356.61 = 2,889.78 : x
  2. Step 2: Convert to fraction form
    7,571.03/11,356.61 = 2,889.78/x
  3. Step 3: Cross multiply
    7,571.03x = 11,356.61 × 2,889.78
  4. Step 4: Simplify right side
    7,571.03x = 32,818,090.00
  5. Step 5: Solve for x
    x = 32,818,090.00/7,571.03
  6. Step 6: Final answer
    x = 4,334.69

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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.