Home / 7,385.89-10,194.11-4,243.81

Finding the Fourth Proportional to 7,385.89, 10,194.11 and 4,243.81

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Solution

The fourth proportional to 7,385.89, 10,194.11 and 4,243.81 is: 5,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.89 : 10,194.11 = 4,243.81 : x
  2. Step 2: Convert to fraction form
    7,385.89/10,194.11 = 4,243.81/x
  3. Step 3: Cross multiply
    7,385.89x = 10,194.11 × 4,243.81
  4. Step 4: Simplify right side
    7,385.89x = 43,261,865.96
  5. Step 5: Solve for x
    x = 43,261,865.96/7,385.89
  6. Step 6: Final answer
    x = 5,857.37

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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.