Home / 7,649.86-11,472.35-2,969.54

Finding the Fourth Proportional to 7,649.86, 11,472.35 and 2,969.54

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Solution

The fourth proportional to 7,649.86, 11,472.35 and 2,969.54 is: 4,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.86 : 11,472.35 = 2,969.54 : x
  2. Step 2: Convert to fraction form
    7,649.86/11,472.35 = 2,969.54/x
  3. Step 3: Cross multiply
    7,649.86x = 11,472.35 × 2,969.54
  4. Step 4: Simplify right side
    7,649.86x = 34,067,602.22
  5. Step 5: Solve for x
    x = 34,067,602.22/7,649.86
  6. Step 6: Final answer
    x = 4,453.37

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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.