Home / 7,989.48-11,025.68-4,453.25

Finding the Fourth Proportional to 7,989.48, 11,025.68 and 4,453.25

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Solution

The fourth proportional to 7,989.48, 11,025.68 and 4,453.25 is: 6,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.48 : 11,025.68 = 4,453.25 : x
  2. Step 2: Convert to fraction form
    7,989.48/11,025.68 = 4,453.25/x
  3. Step 3: Cross multiply
    7,989.48x = 11,025.68 × 4,453.25
  4. Step 4: Simplify right side
    7,989.48x = 49,100,032.07
  5. Step 5: Solve for x
    x = 49,100,032.07/7,989.48
  6. Step 6: Final answer
    x = 6,145.59

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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.