Home / 6,318.45-8,717.99-3,664.35

Finding the Fourth Proportional to 6,318.45, 8,717.99 and 3,664.35

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Solution

The fourth proportional to 6,318.45, 8,717.99 and 3,664.35 is: 5,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.45 : 8,717.99 = 3,664.35 : x
  2. Step 2: Convert to fraction form
    6,318.45/8,717.99 = 3,664.35/x
  3. Step 3: Cross multiply
    6,318.45x = 8,717.99 × 3,664.35
  4. Step 4: Simplify right side
    6,318.45x = 31,945,748.33
  5. Step 5: Solve for x
    x = 31,945,748.33/6,318.45
  6. Step 6: Final answer
    x = 5,055.95

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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.