Home / 7,589.22-11,378.45-2,905.28

Finding the Fourth Proportional to 7,589.22, 11,378.45 and 2,905.28

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Solution

The fourth proportional to 7,589.22, 11,378.45 and 2,905.28 is: 4,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.22 : 11,378.45 = 2,905.28 : x
  2. Step 2: Convert to fraction form
    7,589.22/11,378.45 = 2,905.28/x
  3. Step 3: Cross multiply
    7,589.22x = 11,378.45 × 2,905.28
  4. Step 4: Simplify right side
    7,589.22x = 33,057,583.22
  5. Step 5: Solve for x
    x = 33,057,583.22/7,589.22
  6. Step 6: Final answer
    x = 4,355.86

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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.