Home / 5,210.43-7,189.70-3,194.74

Finding the Fourth Proportional to 5,210.43, 7,189.70 and 3,194.74

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Solution

The fourth proportional to 5,210.43, 7,189.70 and 3,194.74 is: 4,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.43 : 7,189.70 = 3,194.74 : x
  2. Step 2: Convert to fraction form
    5,210.43/7,189.70 = 3,194.74/x
  3. Step 3: Cross multiply
    5,210.43x = 7,189.70 × 3,194.74
  4. Step 4: Simplify right side
    5,210.43x = 22,969,222.18
  5. Step 5: Solve for x
    x = 22,969,222.18/5,210.43
  6. Step 6: Final answer
    x = 4,408.32

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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.