Home / 8,079.30-11,149.51-4,935.49

Finding the Fourth Proportional to 8,079.30, 11,149.51 and 4,935.49

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Solution

The fourth proportional to 8,079.30, 11,149.51 and 4,935.49 is: 6,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.30 : 11,149.51 = 4,935.49 : x
  2. Step 2: Convert to fraction form
    8,079.30/11,149.51 = 4,935.49/x
  3. Step 3: Cross multiply
    8,079.30x = 11,149.51 × 4,935.49
  4. Step 4: Simplify right side
    8,079.30x = 55,028,295.11
  5. Step 5: Solve for x
    x = 55,028,295.11/8,079.30
  6. Step 6: Final answer
    x = 6,811.02

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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.