Home / 5,210.70-7,190.28-2,852.88

Finding the Fourth Proportional to 5,210.70, 7,190.28 and 2,852.88

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Solution

The fourth proportional to 5,210.70, 7,190.28 and 2,852.88 is: 3,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.70 : 7,190.28 = 2,852.88 : x
  2. Step 2: Convert to fraction form
    5,210.70/7,190.28 = 2,852.88/x
  3. Step 3: Cross multiply
    5,210.70x = 7,190.28 × 2,852.88
  4. Step 4: Simplify right side
    5,210.70x = 20,513,006.01
  5. Step 5: Solve for x
    x = 20,513,006.01/5,210.70
  6. Step 6: Final answer
    x = 3,936.71

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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.