Home / 5,727.20-7,903.53-3,243.20

Finding the Fourth Proportional to 5,727.20, 7,903.53 and 3,243.20

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Solution

The fourth proportional to 5,727.20, 7,903.53 and 3,243.20 is: 4,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.20 : 7,903.53 = 3,243.20 : x
  2. Step 2: Convert to fraction form
    5,727.20/7,903.53 = 3,243.20/x
  3. Step 3: Cross multiply
    5,727.20x = 7,903.53 × 3,243.20
  4. Step 4: Simplify right side
    5,727.20x = 25,632,688.98
  5. Step 5: Solve for x
    x = 25,632,688.98/5,727.20
  6. Step 6: Final answer
    x = 4,475.61

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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.