Home / 4,689.22-7,031.94-2,090.38

Finding the Fourth Proportional to 4,689.22, 7,031.94 and 2,090.38

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Solution

The fourth proportional to 4,689.22, 7,031.94 and 2,090.38 is: 3,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.22 : 7,031.94 = 2,090.38 : x
  2. Step 2: Convert to fraction form
    4,689.22/7,031.94 = 2,090.38/x
  3. Step 3: Cross multiply
    4,689.22x = 7,031.94 × 2,090.38
  4. Step 4: Simplify right side
    4,689.22x = 14,699,426.74
  5. Step 5: Solve for x
    x = 14,699,426.74/4,689.22
  6. Step 6: Final answer
    x = 3,134.73

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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.