Home / 7,090.22-10,643.04-4,131.87

Finding the Fourth Proportional to 7,090.22, 10,643.04 and 4,131.87

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Solution

The fourth proportional to 7,090.22, 10,643.04 and 4,131.87 is: 6,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.22 : 10,643.04 = 4,131.87 : x
  2. Step 2: Convert to fraction form
    7,090.22/10,643.04 = 4,131.87/x
  3. Step 3: Cross multiply
    7,090.22x = 10,643.04 × 4,131.87
  4. Step 4: Simplify right side
    7,090.22x = 43,975,657.68
  5. Step 5: Solve for x
    x = 43,975,657.68/7,090.22
  6. Step 6: Final answer
    x = 6,202.30

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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.