Home / 5,100.39-7,035.55-3,208.98

Finding the Fourth Proportional to 5,100.39, 7,035.55 and 3,208.98

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Solution

The fourth proportional to 5,100.39, 7,035.55 and 3,208.98 is: 4,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.39 : 7,035.55 = 3,208.98 : x
  2. Step 2: Convert to fraction form
    5,100.39/7,035.55 = 3,208.98/x
  3. Step 3: Cross multiply
    5,100.39x = 7,035.55 × 3,208.98
  4. Step 4: Simplify right side
    5,100.39x = 22,576,939.24
  5. Step 5: Solve for x
    x = 22,576,939.24/5,100.39
  6. Step 6: Final answer
    x = 4,426.51

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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.