Home / 7,380.63-11,073.11-2,186.64

Finding the Fourth Proportional to 7,380.63, 11,073.11 and 2,186.64

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Solution

The fourth proportional to 7,380.63, 11,073.11 and 2,186.64 is: 3,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.63 : 11,073.11 = 2,186.64 : x
  2. Step 2: Convert to fraction form
    7,380.63/11,073.11 = 2,186.64/x
  3. Step 3: Cross multiply
    7,380.63x = 11,073.11 × 2,186.64
  4. Step 4: Simplify right side
    7,380.63x = 24,212,905.25
  5. Step 5: Solve for x
    x = 24,212,905.25/7,380.63
  6. Step 6: Final answer
    x = 3,280.60

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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.