Home / 6,318.38-8,719.46-3,666.59

Finding the Fourth Proportional to 6,318.38, 8,719.46 and 3,666.59

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Solution

The fourth proportional to 6,318.38, 8,719.46 and 3,666.59 is: 5,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.38 : 8,719.46 = 3,666.59 : x
  2. Step 2: Convert to fraction form
    6,318.38/8,719.46 = 3,666.59/x
  3. Step 3: Cross multiply
    6,318.38x = 8,719.46 × 3,666.59
  4. Step 4: Simplify right side
    6,318.38x = 31,970,684.84
  5. Step 5: Solve for x
    x = 31,970,684.84/6,318.38
  6. Step 6: Final answer
    x = 5,059.95

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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.