Home / 6,317.78-9,465.32-3,719.30

Finding the Fourth Proportional to 6,317.78, 9,465.32 and 3,719.30

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Solution

The fourth proportional to 6,317.78, 9,465.32 and 3,719.30 is: 5,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.78 : 9,465.32 = 3,719.30 : x
  2. Step 2: Convert to fraction form
    6,317.78/9,465.32 = 3,719.30/x
  3. Step 3: Cross multiply
    6,317.78x = 9,465.32 × 3,719.30
  4. Step 4: Simplify right side
    6,317.78x = 35,204,364.68
  5. Step 5: Solve for x
    x = 35,204,364.68/6,317.78
  6. Step 6: Final answer
    x = 5,572.27

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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.