Home / 7,200.23-9,936.05-4,055.81

Finding the Fourth Proportional to 7,200.23, 9,936.05 and 4,055.81

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Solution

The fourth proportional to 7,200.23, 9,936.05 and 4,055.81 is: 5,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.23 : 9,936.05 = 4,055.81 : x
  2. Step 2: Convert to fraction form
    7,200.23/9,936.05 = 4,055.81/x
  3. Step 3: Cross multiply
    7,200.23x = 9,936.05 × 4,055.81
  4. Step 4: Simplify right side
    7,200.23x = 40,298,660.99
  5. Step 5: Solve for x
    x = 40,298,660.99/7,200.23
  6. Step 6: Final answer
    x = 5,596.86

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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.