Home / 6,816.80-10,231.60-3,532.16

Finding the Fourth Proportional to 6,816.80, 10,231.60 and 3,532.16

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Solution

The fourth proportional to 6,816.80, 10,231.60 and 3,532.16 is: 5,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.80 : 10,231.60 = 3,532.16 : x
  2. Step 2: Convert to fraction form
    6,816.80/10,231.60 = 3,532.16/x
  3. Step 3: Cross multiply
    6,816.80x = 10,231.60 × 3,532.16
  4. Step 4: Simplify right side
    6,816.80x = 36,139,648.26
  5. Step 5: Solve for x
    x = 36,139,648.26/6,816.80
  6. Step 6: Final answer
    x = 5,301.56

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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.