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Finding the Fourth Proportional to 7,887.03, 11,832.41 and 2,340.42

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Solution

The fourth proportional to 7,887.03, 11,832.41 and 2,340.42 is: 3,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.03 : 11,832.41 = 2,340.42 : x
  2. Step 2: Convert to fraction form
    7,887.03/11,832.41 = 2,340.42/x
  3. Step 3: Cross multiply
    7,887.03x = 11,832.41 × 2,340.42
  4. Step 4: Simplify right side
    7,887.03x = 27,692,797.31
  5. Step 5: Solve for x
    x = 27,692,797.31/7,887.03
  6. Step 6: Final answer
    x = 3,511.18

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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.