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Finding the Fourth Proportional to 5,581.73, 7,702.82 and 3,063.95

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Solution

The fourth proportional to 5,581.73, 7,702.82 and 3,063.95 is: 4,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.73 : 7,702.82 = 3,063.95 : x
  2. Step 2: Convert to fraction form
    5,581.73/7,702.82 = 3,063.95/x
  3. Step 3: Cross multiply
    5,581.73x = 7,702.82 × 3,063.95
  4. Step 4: Simplify right side
    5,581.73x = 23,601,001.51
  5. Step 5: Solve for x
    x = 23,601,001.51/5,581.73
  6. Step 6: Final answer
    x = 4,228.26

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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.