Home / 5,090.03-7,637.78-2,170.38

Finding the Fourth Proportional to 5,090.03, 7,637.78 and 2,170.38

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Solution

The fourth proportional to 5,090.03, 7,637.78 and 2,170.38 is: 3,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.03 : 7,637.78 = 2,170.38 : x
  2. Step 2: Convert to fraction form
    5,090.03/7,637.78 = 2,170.38/x
  3. Step 3: Cross multiply
    5,090.03x = 7,637.78 × 2,170.38
  4. Step 4: Simplify right side
    5,090.03x = 16,576,884.96
  5. Step 5: Solve for x
    x = 16,576,884.96/5,090.03
  6. Step 6: Final answer
    x = 3,256.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.