Home / 5,081.57-7,012.65-3,092.21

Finding the Fourth Proportional to 5,081.57, 7,012.65 and 3,092.21

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Solution

The fourth proportional to 5,081.57, 7,012.65 and 3,092.21 is: 4,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.57 : 7,012.65 = 3,092.21 : x
  2. Step 2: Convert to fraction form
    5,081.57/7,012.65 = 3,092.21/x
  3. Step 3: Cross multiply
    5,081.57x = 7,012.65 × 3,092.21
  4. Step 4: Simplify right side
    5,081.57x = 21,684,586.46
  5. Step 5: Solve for x
    x = 21,684,586.46/5,081.57
  6. Step 6: Final answer
    x = 4,267.30

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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.