Home / 6,356.32-9,537.12-3,431.20

Finding the Fourth Proportional to 6,356.32, 9,537.12 and 3,431.20

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Solution

The fourth proportional to 6,356.32, 9,537.12 and 3,431.20 is: 5,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.32 : 9,537.12 = 3,431.20 : x
  2. Step 2: Convert to fraction form
    6,356.32/9,537.12 = 3,431.20/x
  3. Step 3: Cross multiply
    6,356.32x = 9,537.12 × 3,431.20
  4. Step 4: Simplify right side
    6,356.32x = 32,723,766.14
  5. Step 5: Solve for x
    x = 32,723,766.14/6,356.32
  6. Step 6: Final answer
    x = 5,148.23

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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.