Home / 6,403.89-9,607.14-3,631.80

Finding the Fourth Proportional to 6,403.89, 9,607.14 and 3,631.80

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Solution

The fourth proportional to 6,403.89, 9,607.14 and 3,631.80 is: 5,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.89 : 9,607.14 = 3,631.80 : x
  2. Step 2: Convert to fraction form
    6,403.89/9,607.14 = 3,631.80/x
  3. Step 3: Cross multiply
    6,403.89x = 9,607.14 × 3,631.80
  4. Step 4: Simplify right side
    6,403.89x = 34,891,211.05
  5. Step 5: Solve for x
    x = 34,891,211.05/6,403.89
  6. Step 6: Final answer
    x = 5,448.44

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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.