Home / 5,412.29-7,469.46-3,287.32

Finding the Fourth Proportional to 5,412.29, 7,469.46 and 3,287.32

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Solution

The fourth proportional to 5,412.29, 7,469.46 and 3,287.32 is: 4,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.29 : 7,469.46 = 3,287.32 : x
  2. Step 2: Convert to fraction form
    5,412.29/7,469.46 = 3,287.32/x
  3. Step 3: Cross multiply
    5,412.29x = 7,469.46 × 3,287.32
  4. Step 4: Simplify right side
    5,412.29x = 24,554,486.57
  5. Step 5: Solve for x
    x = 24,554,486.57/5,412.29
  6. Step 6: Final answer
    x = 4,536.81

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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.