Home / 7,629.87-10,528.33-4,272.87

Finding the Fourth Proportional to 7,629.87, 10,528.33 and 4,272.87

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Solution

The fourth proportional to 7,629.87, 10,528.33 and 4,272.87 is: 5,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.87 : 10,528.33 = 4,272.87 : x
  2. Step 2: Convert to fraction form
    7,629.87/10,528.33 = 4,272.87/x
  3. Step 3: Cross multiply
    7,629.87x = 10,528.33 × 4,272.87
  4. Step 4: Simplify right side
    7,629.87x = 44,986,185.41
  5. Step 5: Solve for x
    x = 44,986,185.41/7,629.87
  6. Step 6: Final answer
    x = 5,896.06

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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.