Home / 8,079.30-11,149.44-4,542.51

Finding the Fourth Proportional to 8,079.30, 11,149.44 and 4,542.51

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Solution

The fourth proportional to 8,079.30, 11,149.44 and 4,542.51 is: 6,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.30 : 11,149.44 = 4,542.51 : x
  2. Step 2: Convert to fraction form
    8,079.30/11,149.44 = 4,542.51/x
  3. Step 3: Cross multiply
    8,079.30x = 11,149.44 × 4,542.51
  4. Step 4: Simplify right side
    8,079.30x = 50,646,447.86
  5. Step 5: Solve for x
    x = 50,646,447.86/8,079.30
  6. Step 6: Final answer
    x = 6,268.67

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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.