Home / 4,249.72-6,374.90-1,784.18

Finding the Fourth Proportional to 4,249.72, 6,374.90 and 1,784.18

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Solution

The fourth proportional to 4,249.72, 6,374.90 and 1,784.18 is: 2,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.72 : 6,374.90 = 1,784.18 : x
  2. Step 2: Convert to fraction form
    4,249.72/6,374.90 = 1,784.18/x
  3. Step 3: Cross multiply
    4,249.72x = 6,374.90 × 1,784.18
  4. Step 4: Simplify right side
    4,249.72x = 11,373,969.08
  5. Step 5: Solve for x
    x = 11,373,969.08/4,249.72
  6. Step 6: Final answer
    x = 2,676.40

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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.