Home / 5,211.13-7,194.84-3,087.35

Finding the Fourth Proportional to 5,211.13, 7,194.84 and 3,087.35

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Solution

The fourth proportional to 5,211.13, 7,194.84 and 3,087.35 is: 4,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.13 : 7,194.84 = 3,087.35 : x
  2. Step 2: Convert to fraction form
    5,211.13/7,194.84 = 3,087.35/x
  3. Step 3: Cross multiply
    5,211.13x = 7,194.84 × 3,087.35
  4. Step 4: Simplify right side
    5,211.13x = 22,212,989.27
  5. Step 5: Solve for x
    x = 22,212,989.27/5,211.13
  6. Step 6: Final answer
    x = 4,262.61

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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.