Home / 4,886.91-7,327.62-2,111.85

Finding the Fourth Proportional to 4,886.91, 7,327.62 and 2,111.85

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Solution

The fourth proportional to 4,886.91, 7,327.62 and 2,111.85 is: 3,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.91 : 7,327.62 = 2,111.85 : x
  2. Step 2: Convert to fraction form
    4,886.91/7,327.62 = 2,111.85/x
  3. Step 3: Cross multiply
    4,886.91x = 7,327.62 × 2,111.85
  4. Step 4: Simplify right side
    4,886.91x = 15,474,834.30
  5. Step 5: Solve for x
    x = 15,474,834.30/4,886.91
  6. Step 6: Final answer
    x = 3,166.59

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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.