Home / 7,431.71-11,161.44-6,542.56

Finding the Fourth Proportional to 7,431.71, 11,161.44 and 6,542.56

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Solution

The fourth proportional to 7,431.71, 11,161.44 and 6,542.56 is: 9,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.71 : 11,161.44 = 6,542.56 : x
  2. Step 2: Convert to fraction form
    7,431.71/11,161.44 = 6,542.56/x
  3. Step 3: Cross multiply
    7,431.71x = 11,161.44 × 6,542.56
  4. Step 4: Simplify right side
    7,431.71x = 73,024,362.98
  5. Step 5: Solve for x
    x = 73,024,362.98/7,431.71
  6. Step 6: Final answer
    x = 9,826.05

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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.