Home / 5,210.28-7,190.16-2,852.43

Finding the Fourth Proportional to 5,210.28, 7,190.16 and 2,852.43

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Solution

The fourth proportional to 5,210.28, 7,190.16 and 2,852.43 is: 3,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.28 : 7,190.16 = 2,852.43 : x
  2. Step 2: Convert to fraction form
    5,210.28/7,190.16 = 2,852.43/x
  3. Step 3: Cross multiply
    5,210.28x = 7,190.16 × 2,852.43
  4. Step 4: Simplify right side
    5,210.28x = 20,509,428.09
  5. Step 5: Solve for x
    x = 20,509,428.09/5,210.28
  6. Step 6: Final answer
    x = 3,936.34

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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.