Home / 5,811.30-8,718.96-3,181.62

Finding the Fourth Proportional to 5,811.30, 8,718.96 and 3,181.62

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Solution

The fourth proportional to 5,811.30, 8,718.96 and 3,181.62 is: 4,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.30 : 8,718.96 = 3,181.62 : x
  2. Step 2: Convert to fraction form
    5,811.30/8,718.96 = 3,181.62/x
  3. Step 3: Cross multiply
    5,811.30x = 8,718.96 × 3,181.62
  4. Step 4: Simplify right side
    5,811.30x = 27,740,417.52
  5. Step 5: Solve for x
    x = 27,740,417.52/5,811.30
  6. Step 6: Final answer
    x = 4,773.53

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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.