Home / 5,329.66-7,991.58-3,455.36

Finding the Fourth Proportional to 5,329.66, 7,991.58 and 3,455.36

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Solution

The fourth proportional to 5,329.66, 7,991.58 and 3,455.36 is: 5,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.66 : 7,991.58 = 3,455.36 : x
  2. Step 2: Convert to fraction form
    5,329.66/7,991.58 = 3,455.36/x
  3. Step 3: Cross multiply
    5,329.66x = 7,991.58 × 3,455.36
  4. Step 4: Simplify right side
    5,329.66x = 27,613,785.87
  5. Step 5: Solve for x
    x = 27,613,785.87/5,329.66
  6. Step 6: Final answer
    x = 5,181.15

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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.