Home / 5,643.68-8,466.32-2,132.73

Finding the Fourth Proportional to 5,643.68, 8,466.32 and 2,132.73

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Solution

The fourth proportional to 5,643.68, 8,466.32 and 2,132.73 is: 3,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.68 : 8,466.32 = 2,132.73 : x
  2. Step 2: Convert to fraction form
    5,643.68/8,466.32 = 2,132.73/x
  3. Step 3: Cross multiply
    5,643.68x = 8,466.32 × 2,132.73
  4. Step 4: Simplify right side
    5,643.68x = 18,056,379.99
  5. Step 5: Solve for x
    x = 18,056,379.99/5,643.68
  6. Step 6: Final answer
    x = 3,199.40

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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.