Home / 7,589.30-11,385.54-2,591.28

Finding the Fourth Proportional to 7,589.30, 11,385.54 and 2,591.28

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Solution

The fourth proportional to 7,589.30, 11,385.54 and 2,591.28 is: 3,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.30 : 11,385.54 = 2,591.28 : x
  2. Step 2: Convert to fraction form
    7,589.30/11,385.54 = 2,591.28/x
  3. Step 3: Cross multiply
    7,589.30x = 11,385.54 × 2,591.28
  4. Step 4: Simplify right side
    7,589.30x = 29,503,122.09
  5. Step 5: Solve for x
    x = 29,503,122.09/7,589.30
  6. Step 6: Final answer
    x = 3,887.47

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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.