Home / 5,210.29-7,190.30-2,852.58

Finding the Fourth Proportional to 5,210.29, 7,190.30 and 2,852.58

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Solution

The fourth proportional to 5,210.29, 7,190.30 and 2,852.58 is: 3,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.29 : 7,190.30 = 2,852.58 : x
  2. Step 2: Convert to fraction form
    5,210.29/7,190.30 = 2,852.58/x
  3. Step 3: Cross multiply
    5,210.29x = 7,190.30 × 2,852.58
  4. Step 4: Simplify right side
    5,210.29x = 20,510,905.97
  5. Step 5: Solve for x
    x = 20,510,905.97/5,210.29
  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.