Home / 6,719.40-9,272.49-3,735.09

Finding the Fourth Proportional to 6,719.40, 9,272.49 and 3,735.09

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Solution

The fourth proportional to 6,719.40, 9,272.49 and 3,735.09 is: 5,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.40 : 9,272.49 = 3,735.09 : x
  2. Step 2: Convert to fraction form
    6,719.40/9,272.49 = 3,735.09/x
  3. Step 3: Cross multiply
    6,719.40x = 9,272.49 × 3,735.09
  4. Step 4: Simplify right side
    6,719.40x = 34,633,584.67
  5. Step 5: Solve for x
    x = 34,633,584.67/6,719.40
  6. Step 6: Final answer
    x = 5,154.27

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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.