Home / 8,739.24-12,062.28-5,551.56

Finding the Fourth Proportional to 8,739.24, 12,062.28 and 5,551.56

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Solution

The fourth proportional to 8,739.24, 12,062.28 and 5,551.56 is: 7,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.24 : 12,062.28 = 5,551.56 : x
  2. Step 2: Convert to fraction form
    8,739.24/12,062.28 = 5,551.56/x
  3. Step 3: Cross multiply
    8,739.24x = 12,062.28 × 5,551.56
  4. Step 4: Simplify right side
    8,739.24x = 66,964,471.16
  5. Step 5: Solve for x
    x = 66,964,471.16/8,739.24
  6. Step 6: Final answer
    x = 7,662.51

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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.