Home / 5,441.31-8,162.91-1,977.75

Finding the Fourth Proportional to 5,441.31, 8,162.91 and 1,977.75

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Solution

The fourth proportional to 5,441.31, 8,162.91 and 1,977.75 is: 2,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.31 : 8,162.91 = 1,977.75 : x
  2. Step 2: Convert to fraction form
    5,441.31/8,162.91 = 1,977.75/x
  3. Step 3: Cross multiply
    5,441.31x = 8,162.91 × 1,977.75
  4. Step 4: Simplify right side
    5,441.31x = 16,144,195.25
  5. Step 5: Solve for x
    x = 16,144,195.25/5,441.31
  6. Step 6: Final answer
    x = 2,966.97

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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.