Home / 8,728.56-13,060.44-5,268.24

Finding the Fourth Proportional to 8,728.56, 13,060.44 and 5,268.24

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Solution

The fourth proportional to 8,728.56, 13,060.44 and 5,268.24 is: 7,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.56 : 13,060.44 = 5,268.24 : x
  2. Step 2: Convert to fraction form
    8,728.56/13,060.44 = 5,268.24/x
  3. Step 3: Cross multiply
    8,728.56x = 13,060.44 × 5,268.24
  4. Step 4: Simplify right side
    8,728.56x = 68,805,532.43
  5. Step 5: Solve for x
    x = 68,805,532.43/8,728.56
  6. Step 6: Final answer
    x = 7,882.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.