Home / 7,629.07-11,445.36-2,949.12

Finding the Fourth Proportional to 7,629.07, 11,445.36 and 2,949.12

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Solution

The fourth proportional to 7,629.07, 11,445.36 and 2,949.12 is: 4,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.07 : 11,445.36 = 2,949.12 : x
  2. Step 2: Convert to fraction form
    7,629.07/11,445.36 = 2,949.12/x
  3. Step 3: Cross multiply
    7,629.07x = 11,445.36 × 2,949.12
  4. Step 4: Simplify right side
    7,629.07x = 33,753,765.86
  5. Step 5: Solve for x
    x = 33,753,765.86/7,629.07
  6. Step 6: Final answer
    x = 4,424.36

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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.