Home / 8,759.09-12,079.17-5,771.94

Finding the Fourth Proportional to 8,759.09, 12,079.17 and 5,771.94

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Solution

The fourth proportional to 8,759.09, 12,079.17 and 5,771.94 is: 7,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.09 : 12,079.17 = 5,771.94 : x
  2. Step 2: Convert to fraction form
    8,759.09/12,079.17 = 5,771.94/x
  3. Step 3: Cross multiply
    8,759.09x = 12,079.17 × 5,771.94
  4. Step 4: Simplify right side
    8,759.09x = 69,720,244.49
  5. Step 5: Solve for x
    x = 69,720,244.49/8,759.09
  6. Step 6: Final answer
    x = 7,959.76

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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.