Home / 5,210.64-7,190.73-2,852.73

Finding the Fourth Proportional to 5,210.64, 7,190.73 and 2,852.73

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Solution

The fourth proportional to 5,210.64, 7,190.73 and 2,852.73 is: 3,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.64 : 7,190.73 = 2,852.73 : x
  2. Step 2: Convert to fraction form
    5,210.64/7,190.73 = 2,852.73/x
  3. Step 3: Cross multiply
    5,210.64x = 7,190.73 × 2,852.73
  4. Step 4: Simplify right side
    5,210.64x = 20,513,211.19
  5. Step 5: Solve for x
    x = 20,513,211.19/5,210.64
  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.