Home / 7,380.88-10,185-4,236.40

Finding the Fourth Proportional to 7,380.88, 10,185 and 4,236.40

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Solution

The fourth proportional to 7,380.88, 10,185 and 4,236.40 is: 5,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.88 : 10,185 = 4,236.40 : x
  2. Step 2: Convert to fraction form
    7,380.88/10,185 = 4,236.40/x
  3. Step 3: Cross multiply
    7,380.88x = 10,185 × 4,236.40
  4. Step 4: Simplify right side
    7,380.88x = 43,147,734
  5. Step 5: Solve for x
    x = 43,147,734/7,380.88
  6. Step 6: Final answer
    x = 5,845.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.