Home / 6,318.77-8,720.21-3,523.73

Finding the Fourth Proportional to 6,318.77, 8,720.21 and 3,523.73

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Solution

The fourth proportional to 6,318.77, 8,720.21 and 3,523.73 is: 4,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.77 : 8,720.21 = 3,523.73 : x
  2. Step 2: Convert to fraction form
    6,318.77/8,720.21 = 3,523.73/x
  3. Step 3: Cross multiply
    6,318.77x = 8,720.21 × 3,523.73
  4. Step 4: Simplify right side
    6,318.77x = 30,727,647.96
  5. Step 5: Solve for x
    x = 30,727,647.96/6,318.77
  6. Step 6: Final answer
    x = 4,862.92

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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.