Home / 5,090.53-7,021.31-4,381.14

Finding the Fourth Proportional to 5,090.53, 7,021.31 and 4,381.14

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Solution

The fourth proportional to 5,090.53, 7,021.31 and 4,381.14 is: 6,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.53 : 7,021.31 = 4,381.14 : x
  2. Step 2: Convert to fraction form
    5,090.53/7,021.31 = 4,381.14/x
  3. Step 3: Cross multiply
    5,090.53x = 7,021.31 × 4,381.14
  4. Step 4: Simplify right side
    5,090.53x = 30,761,358.00
  5. Step 5: Solve for x
    x = 30,761,358.00/5,090.53
  6. Step 6: Final answer
    x = 6,042.86

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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.