Home / 7,887.21-11,832.69-2,340.60

Finding the Fourth Proportional to 7,887.21, 11,832.69 and 2,340.60

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Solution

The fourth proportional to 7,887.21, 11,832.69 and 2,340.60 is: 3,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.21 : 11,832.69 = 2,340.60 : x
  2. Step 2: Convert to fraction form
    7,887.21/11,832.69 = 2,340.60/x
  3. Step 3: Cross multiply
    7,887.21x = 11,832.69 × 2,340.60
  4. Step 4: Simplify right side
    7,887.21x = 27,695,594.21
  5. Step 5: Solve for x
    x = 27,695,594.21/7,887.21
  6. Step 6: Final answer
    x = 3,511.46

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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.