Home / 4,279.96-5,906.79-3,085.93

Finding the Fourth Proportional to 4,279.96, 5,906.79 and 3,085.93

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Solution

The fourth proportional to 4,279.96, 5,906.79 and 3,085.93 is: 4,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.96 : 5,906.79 = 3,085.93 : x
  2. Step 2: Convert to fraction form
    4,279.96/5,906.79 = 3,085.93/x
  3. Step 3: Cross multiply
    4,279.96x = 5,906.79 × 3,085.93
  4. Step 4: Simplify right side
    4,279.96x = 18,227,925.70
  5. Step 5: Solve for x
    x = 18,227,925.70/4,279.96
  6. Step 6: Final answer
    x = 4,258.90

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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.