Home / 6,629.39-9,148.64-3,645.23

Finding the Fourth Proportional to 6,629.39, 9,148.64 and 3,645.23

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Solution

The fourth proportional to 6,629.39, 9,148.64 and 3,645.23 is: 5,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.39 : 9,148.64 = 3,645.23 : x
  2. Step 2: Convert to fraction form
    6,629.39/9,148.64 = 3,645.23/x
  3. Step 3: Cross multiply
    6,629.39x = 9,148.64 × 3,645.23
  4. Step 4: Simplify right side
    6,629.39x = 33,348,896.99
  5. Step 5: Solve for x
    x = 33,348,896.99/6,629.39
  6. Step 6: Final answer
    x = 5,030.46

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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.