Home / 7,186.88-9,912.96-4,393.76

Finding the Fourth Proportional to 7,186.88, 9,912.96 and 4,393.76

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Solution

The fourth proportional to 7,186.88, 9,912.96 and 4,393.76 is: 6,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.88 : 9,912.96 = 4,393.76 : x
  2. Step 2: Convert to fraction form
    7,186.88/9,912.96 = 4,393.76/x
  3. Step 3: Cross multiply
    7,186.88x = 9,912.96 × 4,393.76
  4. Step 4: Simplify right side
    7,186.88x = 43,555,167.13
  5. Step 5: Solve for x
    x = 43,555,167.13/7,186.88
  6. Step 6: Final answer
    x = 6,060.37

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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.