Home / 4,249.56-6,374.28-1,129.32

Finding the Fourth Proportional to 4,249.56, 6,374.28 and 1,129.32

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Solution

The fourth proportional to 4,249.56, 6,374.28 and 1,129.32 is: 1,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.56 : 6,374.28 = 1,129.32 : x
  2. Step 2: Convert to fraction form
    4,249.56/6,374.28 = 1,129.32/x
  3. Step 3: Cross multiply
    4,249.56x = 6,374.28 × 1,129.32
  4. Step 4: Simplify right side
    4,249.56x = 7,198,601.89
  5. Step 5: Solve for x
    x = 7,198,601.89/4,249.56
  6. Step 6: Final answer
    x = 1,693.96

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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.