Home / 6,402.67-9,591.04-3,318.19

Finding the Fourth Proportional to 6,402.67, 9,591.04 and 3,318.19

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Solution

The fourth proportional to 6,402.67, 9,591.04 and 3,318.19 is: 4,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.67 : 9,591.04 = 3,318.19 : x
  2. Step 2: Convert to fraction form
    6,402.67/9,591.04 = 3,318.19/x
  3. Step 3: Cross multiply
    6,402.67x = 9,591.04 × 3,318.19
  4. Step 4: Simplify right side
    6,402.67x = 31,824,873.19
  5. Step 5: Solve for x
    x = 31,824,873.19/6,402.67
  6. Step 6: Final answer
    x = 4,970.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.