Home / 4,687.44-7,031.40-2,090.56

Finding the Fourth Proportional to 4,687.44, 7,031.40 and 2,090.56

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Solution

The fourth proportional to 4,687.44, 7,031.40 and 2,090.56 is: 3,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.44 : 7,031.40 = 2,090.56 : x
  2. Step 2: Convert to fraction form
    4,687.44/7,031.40 = 2,090.56/x
  3. Step 3: Cross multiply
    4,687.44x = 7,031.40 × 2,090.56
  4. Step 4: Simplify right side
    4,687.44x = 14,699,563.58
  5. Step 5: Solve for x
    x = 14,699,563.58/4,687.44
  6. Step 6: Final answer
    x = 3,135.95

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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.