Home / 5,100.39-7,035.93-3,422.16

Finding the Fourth Proportional to 5,100.39, 7,035.93 and 3,422.16

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Solution

The fourth proportional to 5,100.39, 7,035.93 and 3,422.16 is: 4,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.39 : 7,035.93 = 3,422.16 : x
  2. Step 2: Convert to fraction form
    5,100.39/7,035.93 = 3,422.16/x
  3. Step 3: Cross multiply
    5,100.39x = 7,035.93 × 3,422.16
  4. Step 4: Simplify right side
    5,100.39x = 24,078,078.21
  5. Step 5: Solve for x
    x = 24,078,078.21/5,100.39
  6. Step 6: Final answer
    x = 4,720.83

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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.