Home / 5,786.96-8,712.02-3,949.70

Finding the Fourth Proportional to 5,786.96, 8,712.02 and 3,949.70

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Solution

The fourth proportional to 5,786.96, 8,712.02 and 3,949.70 is: 5,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.96 : 8,712.02 = 3,949.70 : x
  2. Step 2: Convert to fraction form
    5,786.96/8,712.02 = 3,949.70/x
  3. Step 3: Cross multiply
    5,786.96x = 8,712.02 × 3,949.70
  4. Step 4: Simplify right side
    5,786.96x = 34,409,865.39
  5. Step 5: Solve for x
    x = 34,409,865.39/5,786.96
  6. Step 6: Final answer
    x = 5,946.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.