Home / 7,149.87-10,727.37-3,200.81

Finding the Fourth Proportional to 7,149.87, 10,727.37 and 3,200.81

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Solution

The fourth proportional to 7,149.87, 10,727.37 and 3,200.81 is: 4,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.87 : 10,727.37 = 3,200.81 : x
  2. Step 2: Convert to fraction form
    7,149.87/10,727.37 = 3,200.81/x
  3. Step 3: Cross multiply
    7,149.87x = 10,727.37 × 3,200.81
  4. Step 4: Simplify right side
    7,149.87x = 34,336,219.53
  5. Step 5: Solve for x
    x = 34,336,219.53/7,149.87
  6. Step 6: Final answer
    x = 4,802.36

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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.