Home / 5,666.45-8,499.66-2,155.64

Finding the Fourth Proportional to 5,666.45, 8,499.66 and 2,155.64

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Solution

The fourth proportional to 5,666.45, 8,499.66 and 2,155.64 is: 3,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.45 : 8,499.66 = 2,155.64 : x
  2. Step 2: Convert to fraction form
    5,666.45/8,499.66 = 2,155.64/x
  3. Step 3: Cross multiply
    5,666.45x = 8,499.66 × 2,155.64
  4. Step 4: Simplify right side
    5,666.45x = 18,322,207.08
  5. Step 5: Solve for x
    x = 18,322,207.08/5,666.45
  6. Step 6: Final answer
    x = 3,233.46

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Similar ratio
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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.