Home / 8,006.56-11,999.82-5,085.70

Finding the Fourth Proportional to 8,006.56, 11,999.82 and 5,085.70

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Solution

The fourth proportional to 8,006.56, 11,999.82 and 5,085.70 is: 7,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.56 : 11,999.82 = 5,085.70 : x
  2. Step 2: Convert to fraction form
    8,006.56/11,999.82 = 5,085.70/x
  3. Step 3: Cross multiply
    8,006.56x = 11,999.82 × 5,085.70
  4. Step 4: Simplify right side
    8,006.56x = 61,027,484.57
  5. Step 5: Solve for x
    x = 61,027,484.57/8,006.56
  6. Step 6: Final answer
    x = 7,622.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.