Home / 6,628.56-9,147.99-3,645.01

Finding the Fourth Proportional to 6,628.56, 9,147.99 and 3,645.01

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Solution

The fourth proportional to 6,628.56, 9,147.99 and 3,645.01 is: 5,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.56 : 9,147.99 = 3,645.01 : x
  2. Step 2: Convert to fraction form
    6,628.56/9,147.99 = 3,645.01/x
  3. Step 3: Cross multiply
    6,628.56x = 9,147.99 × 3,645.01
  4. Step 4: Simplify right side
    6,628.56x = 33,344,515.03
  5. Step 5: Solve for x
    x = 33,344,515.03/6,628.56
  6. Step 6: Final answer
    x = 5,030.43

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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.