Home / 7,629.47-10,528.97-4,272.25

Finding the Fourth Proportional to 7,629.47, 10,528.97 and 4,272.25

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Solution

The fourth proportional to 7,629.47, 10,528.97 and 4,272.25 is: 5,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.47 : 10,528.97 = 4,272.25 : x
  2. Step 2: Convert to fraction form
    7,629.47/10,528.97 = 4,272.25/x
  3. Step 3: Cross multiply
    7,629.47x = 10,528.97 × 4,272.25
  4. Step 4: Simplify right side
    7,629.47x = 44,982,383.88
  5. Step 5: Solve for x
    x = 44,982,383.88/7,629.47
  6. Step 6: Final answer
    x = 5,895.87

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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.