Home / 5,210.45-7,190.41-2,852.63

Finding the Fourth Proportional to 5,210.45, 7,190.41 and 2,852.63

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Solution

The fourth proportional to 5,210.45, 7,190.41 and 2,852.63 is: 3,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.45 : 7,190.41 = 2,852.63 : x
  2. Step 2: Convert to fraction form
    5,210.45/7,190.41 = 2,852.63/x
  3. Step 3: Cross multiply
    5,210.45x = 7,190.41 × 2,852.63
  4. Step 4: Simplify right side
    5,210.45x = 20,511,565.02
  5. Step 5: Solve for x
    x = 20,511,565.02/5,210.45
  6. Step 6: Final answer
    x = 3,936.62

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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.