Home / 8,123.97-11,211.42-4,769.35

Finding the Fourth Proportional to 8,123.97, 11,211.42 and 4,769.35

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Solution

The fourth proportional to 8,123.97, 11,211.42 and 4,769.35 is: 6,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.97 : 11,211.42 = 4,769.35 : x
  2. Step 2: Convert to fraction form
    8,123.97/11,211.42 = 4,769.35/x
  3. Step 3: Cross multiply
    8,123.97x = 11,211.42 × 4,769.35
  4. Step 4: Simplify right side
    8,123.97x = 53,471,185.98
  5. Step 5: Solve for x
    x = 53,471,185.98/8,123.97
  6. Step 6: Final answer
    x = 6,581.91

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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.