Home / 5,090.91-7,025.72-2,852.65

Finding the Fourth Proportional to 5,090.91, 7,025.72 and 2,852.65

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Solution

The fourth proportional to 5,090.91, 7,025.72 and 2,852.65 is: 3,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.91 : 7,025.72 = 2,852.65 : x
  2. Step 2: Convert to fraction form
    5,090.91/7,025.72 = 2,852.65/x
  3. Step 3: Cross multiply
    5,090.91x = 7,025.72 × 2,852.65
  4. Step 4: Simplify right side
    5,090.91x = 20,041,920.16
  5. Step 5: Solve for x
    x = 20,041,920.16/5,090.91
  6. Step 6: Final answer
    x = 3,936.81

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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.