Home / 5,090.92-7,025.25-2,852.80

Finding the Fourth Proportional to 5,090.92, 7,025.25 and 2,852.80

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Solution

The fourth proportional to 5,090.92, 7,025.25 and 2,852.80 is: 3,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.92 : 7,025.25 = 2,852.80 : x
  2. Step 2: Convert to fraction form
    5,090.92/7,025.25 = 2,852.80/x
  3. Step 3: Cross multiply
    5,090.92x = 7,025.25 × 2,852.80
  4. Step 4: Simplify right side
    5,090.92x = 20,041,633.20
  5. Step 5: Solve for x
    x = 20,041,633.20/5,090.92
  6. Step 6: Final answer
    x = 3,936.74

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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.