Home / 6,719.30-9,269.09-3,992.28

Finding the Fourth Proportional to 6,719.30, 9,269.09 and 3,992.28

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Solution

The fourth proportional to 6,719.30, 9,269.09 and 3,992.28 is: 5,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.30 : 9,269.09 = 3,992.28 : x
  2. Step 2: Convert to fraction form
    6,719.30/9,269.09 = 3,992.28/x
  3. Step 3: Cross multiply
    6,719.30x = 9,269.09 × 3,992.28
  4. Step 4: Simplify right side
    6,719.30x = 37,004,802.63
  5. Step 5: Solve for x
    x = 37,004,802.63/6,719.30
  6. Step 6: Final answer
    x = 5,507.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.