Home / 4,249.47-6,374.48-1,129.43

Finding the Fourth Proportional to 4,249.47, 6,374.48 and 1,129.43

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Solution

The fourth proportional to 4,249.47, 6,374.48 and 1,129.43 is: 1,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.47 : 6,374.48 = 1,129.43 : x
  2. Step 2: Convert to fraction form
    4,249.47/6,374.48 = 1,129.43/x
  3. Step 3: Cross multiply
    4,249.47x = 6,374.48 × 1,129.43
  4. Step 4: Simplify right side
    4,249.47x = 7,199,491.43
  5. Step 5: Solve for x
    x = 7,199,491.43/4,249.47
  6. Step 6: Final answer
    x = 1,694.21

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1.5x scale

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.