Home / 8,146.29-11,240.43-4,789.77

Finding the Fourth Proportional to 8,146.29, 11,240.43 and 4,789.77

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Solution

The fourth proportional to 8,146.29, 11,240.43 and 4,789.77 is: 6,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.29 : 11,240.43 = 4,789.77 : x
  2. Step 2: Convert to fraction form
    8,146.29/11,240.43 = 4,789.77/x
  3. Step 3: Cross multiply
    8,146.29x = 11,240.43 × 4,789.77
  4. Step 4: Simplify right side
    8,146.29x = 53,839,074.40
  5. Step 5: Solve for x
    x = 53,839,074.40/8,146.29
  6. Step 6: Final answer
    x = 6,609.03

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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.