Home / 5,210.45-7,190.43-2,852.74

Finding the Fourth Proportional to 5,210.45, 7,190.43 and 2,852.74

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Solution

The fourth proportional to 5,210.45, 7,190.43 and 2,852.74 is: 3,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.45 : 7,190.43 = 2,852.74 : x
  2. Step 2: Convert to fraction form
    5,210.45/7,190.43 = 2,852.74/x
  3. Step 3: Cross multiply
    5,210.45x = 7,190.43 × 2,852.74
  4. Step 4: Simplify right side
    5,210.45x = 20,512,409.30
  5. Step 5: Solve for x
    x = 20,512,409.30/5,210.45
  6. Step 6: Final answer
    x = 3,936.79

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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.