Home / 5,210.84-7,190.78-2,852.94

Finding the Fourth Proportional to 5,210.84, 7,190.78 and 2,852.94

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Solution

The fourth proportional to 5,210.84, 7,190.78 and 2,852.94 is: 3,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.84 : 7,190.78 = 2,852.94 : x
  2. Step 2: Convert to fraction form
    5,210.84/7,190.78 = 2,852.94/x
  3. Step 3: Cross multiply
    5,210.84x = 7,190.78 × 2,852.94
  4. Step 4: Simplify right side
    5,210.84x = 20,514,863.89
  5. Step 5: Solve for x
    x = 20,514,863.89/5,210.84
  6. Step 6: Final answer
    x = 3,936.96

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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.