Home / 4,251.92-6,381.32-1,788.35

Finding the Fourth Proportional to 4,251.92, 6,381.32 and 1,788.35

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Solution

The fourth proportional to 4,251.92, 6,381.32 and 1,788.35 is: 2,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.92 : 6,381.32 = 1,788.35 : x
  2. Step 2: Convert to fraction form
    4,251.92/6,381.32 = 1,788.35/x
  3. Step 3: Cross multiply
    4,251.92x = 6,381.32 × 1,788.35
  4. Step 4: Simplify right side
    4,251.92x = 11,411,992.77
  5. Step 5: Solve for x
    x = 11,411,992.77/4,251.92
  6. Step 6: Final answer
    x = 2,683.97

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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.