Home / 5,090.70-7,022.25-3,672.81

Finding the Fourth Proportional to 5,090.70, 7,022.25 and 3,672.81

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Solution

The fourth proportional to 5,090.70, 7,022.25 and 3,672.81 is: 5,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.70 : 7,022.25 = 3,672.81 : x
  2. Step 2: Convert to fraction form
    5,090.70/7,022.25 = 3,672.81/x
  3. Step 3: Cross multiply
    5,090.70x = 7,022.25 × 3,672.81
  4. Step 4: Simplify right side
    5,090.70x = 25,791,390.02
  5. Step 5: Solve for x
    x = 25,791,390.02/5,090.70
  6. Step 6: Final answer
    x = 5,066.37

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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.