Home / 5,090.78-7,025.13-2,995.02

Finding the Fourth Proportional to 5,090.78, 7,025.13 and 2,995.02

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Solution

The fourth proportional to 5,090.78, 7,025.13 and 2,995.02 is: 4,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.78 : 7,025.13 = 2,995.02 : x
  2. Step 2: Convert to fraction form
    5,090.78/7,025.13 = 2,995.02/x
  3. Step 3: Cross multiply
    5,090.78x = 7,025.13 × 2,995.02
  4. Step 4: Simplify right side
    5,090.78x = 21,040,404.85
  5. Step 5: Solve for x
    x = 21,040,404.85/5,090.78
  6. Step 6: Final answer
    x = 4,133.04

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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.